2180100

素因数分解:

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

素因数の和:86

約数の個数: 108

約数和(自身を含む): 6989136

約数和(自身を除く): 4809036

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, 258, 260, 300, 325, 338, 390, 430, 507, 516, 559, 645, 650, 676, 780, 845, 860, 975, 1014, 1075, 1118, 1290, 1300, 1677, 1690, 1950, 2028, 2150, 2236, 2535, 2580, 2795, 3225, 3354, 3380, 3900, 4225, 4300, 5070, 5590, 6450, 6708, 7267, 8385, 8450, 10140, 11180, 12675, 12900, 13975, 14534, 16770, 16900, 21801, 25350, 27950, 29068, 33540, 36335, 41925, 43602, 50700, 55900, 72670, 83850, 87204, 109005, 145340, 167700, 181675, 218010, 363350, 436020, 545025, 726700, 1090050, 2180100]

約数ペア:

[(1, 2180100), (2, 1090050), (3, 726700), (4, 545025), (5, 436020), (6, 363350), (10, 218010), (12, 181675), (13, 167700), (15, 145340), (20, 109005), (25, 87204), (26, 83850), (30, 72670), (39, 55900), (43, 50700), (50, 43602), (52, 41925), (60, 36335), (65, 33540), (75, 29068), (78, 27950), (86, 25350), (100, 21801), (129, 16900), (130, 16770), (150, 14534), (156, 13975), (169, 12900), (172, 12675), (195, 11180), (215, 10140), (258, 8450), (260, 8385), (300, 7267), (325, 6708), (338, 6450), (390, 5590), (430, 5070), (507, 4300), (516, 4225), (559, 3900), (645, 3380), (650, 3354), (676, 3225), (780, 2795), (845, 2580), (860, 2535), (975, 2236), (1014, 2150), (1075, 2028), (1118, 1950), (1290, 1690), (1300, 1677)]