521043900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 216

約数和(自身を含む): 1677392640

約数和(自身を除く): 1156348740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 43, 50, 52, 60, 65, 75, 78, 86, 100, 129, 130, 150, 156, 169, 172, 195, 215, 239, 258, 260, 300, 325, 338, 390, 430, 478, 507, 516, 559, 645, 650, 676, 717, 780, 845, 860, 956, 975, 1014, 1075, 1118, 1195, 1290, 1300, 1434, 1677, 1690, 1950, 2028, 2150, 2236, 2390, 2535, 2580, 2795, 2868, 3107, 3225, 3354, 3380, 3585, 3900, 4225, 4300, 4780, 5070, 5590, 5975, 6214, 6450, 6708, 7170, 7267, 8385, 8450, 9321, 10140, 10277, 11180, 11950, 12428, 12675, 12900, 13975, 14340, 14534, 15535, 16770, 16900, 17925, 18642, 20554, 21801, 23900, 25350, 27950, 29068, 30831, 31070, 33540, 35850, 36335, 37284, 40391, 41108, 41925, 43602, 46605, 50700, 51385, 55900, 61662, 62140, 71700, 72670, 77675, 80782, 83850, 87204, 93210, 102770, 109005, 121173, 123324, 133601, 145340, 154155, 155350, 161564, 167700, 181675, 186420, 201955, 205540, 218010, 233025, 242346, 256925, 267202, 308310, 310700, 363350, 400803, 403910, 436020, 466050, 484692, 513850, 534404, 545025, 605865, 616620, 668005, 726700, 770775, 801606, 807820, 932100, 1009775, 1027700, 1090050, 1211730, 1336010, 1541550, 1603212, 1736813, 2004015, 2019550, 2180100, 2423460, 2672020, 3029325, 3083100, 3340025, 3473626, 4008030, 4039100, 5210439, 6058650, 6680050, 6947252, 8016060, 8684065, 10020075, 10420878, 12117300, 13360100, 17368130, 20040150, 20841756, 26052195, 34736260, 40080300, 43420325, 52104390, 86840650, 104208780, 130260975, 173681300, 260521950, 521043900]

約数ペア:

[(1, 521043900), (2, 260521950), (3, 173681300), (4, 130260975), (5, 104208780), (6, 86840650), (10, 52104390), (12, 43420325), (13, 40080300), (15, 34736260), (20, 26052195), (25, 20841756), (26, 20040150), (30, 17368130), (39, 13360100), (43, 12117300), (50, 10420878), (52, 10020075), (60, 8684065), (65, 8016060), (75, 6947252), (78, 6680050), (86, 6058650), (100, 5210439), (129, 4039100), (130, 4008030), (150, 3473626), (156, 3340025), (169, 3083100), (172, 3029325), (195, 2672020), (215, 2423460), (239, 2180100), (258, 2019550), (260, 2004015), (300, 1736813), (325, 1603212), (338, 1541550), (390, 1336010), (430, 1211730), (478, 1090050), (507, 1027700), (516, 1009775), (559, 932100), (645, 807820), (650, 801606), (676, 770775), (717, 726700), (780, 668005), (845, 616620), (860, 605865), (956, 545025), (975, 534404), (1014, 513850), (1075, 484692), (1118, 466050), (1195, 436020), (1290, 403910), (1300, 400803), (1434, 363350), (1677, 310700), (1690, 308310), (1950, 267202), (2028, 256925), (2150, 242346), (2236, 233025), (2390, 218010), (2535, 205540), (2580, 201955), (2795, 186420), (2868, 181675), (3107, 167700), (3225, 161564), (3354, 155350), (3380, 154155), (3585, 145340), (3900, 133601), (4225, 123324), (4300, 121173), (4780, 109005), (5070, 102770), (5590, 93210), (5975, 87204), (6214, 83850), (6450, 80782), (6708, 77675), (7170, 72670), (7267, 71700), (8385, 62140), (8450, 61662), (9321, 55900), (10140, 51385), (10277, 50700), (11180, 46605), (11950, 43602), (12428, 41925), (12675, 41108), (12900, 40391), (13975, 37284), (14340, 36335), (14534, 35850), (15535, 33540), (16770, 31070), (16900, 30831), (17925, 29068), (18642, 27950), (20554, 25350), (21801, 23900)]