67421900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 186654720

約数和(自身を除く): 119232820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 239, 260, 310, 325, 350, 364, 403, 434, 455, 478, 620, 650, 700, 775, 806, 868, 910, 956, 1085, 1195, 1300, 1550, 1612, 1673, 1820, 2015, 2170, 2275, 2390, 2821, 3100, 3107, 3346, 4030, 4340, 4550, 4780, 5425, 5642, 5975, 6214, 6692, 7409, 8060, 8365, 9100, 10075, 10850, 11284, 11950, 12428, 14105, 14818, 15535, 16730, 20150, 21700, 21749, 23900, 28210, 29636, 31070, 33460, 37045, 40300, 41825, 43498, 51863, 56420, 62140, 70525, 74090, 77675, 83650, 86996, 96317, 103726, 108745, 141050, 148180, 155350, 167300, 185225, 192634, 207452, 217490, 259315, 282100, 310700, 370450, 385268, 434980, 481585, 518630, 543725, 674219, 740900, 963170, 1037260, 1087450, 1296575, 1348438, 1926340, 2174900, 2407925, 2593150, 2696876, 3371095, 4815850, 5186300, 6742190, 9631700, 13484380, 16855475, 33710950, 67421900]

約数ペア:

[(1, 67421900), (2, 33710950), (4, 16855475), (5, 13484380), (7, 9631700), (10, 6742190), (13, 5186300), (14, 4815850), (20, 3371095), (25, 2696876), (26, 2593150), (28, 2407925), (31, 2174900), (35, 1926340), (50, 1348438), (52, 1296575), (62, 1087450), (65, 1037260), (70, 963170), (91, 740900), (100, 674219), (124, 543725), (130, 518630), (140, 481585), (155, 434980), (175, 385268), (182, 370450), (217, 310700), (239, 282100), (260, 259315), (310, 217490), (325, 207452), (350, 192634), (364, 185225), (403, 167300), (434, 155350), (455, 148180), (478, 141050), (620, 108745), (650, 103726), (700, 96317), (775, 86996), (806, 83650), (868, 77675), (910, 74090), (956, 70525), (1085, 62140), (1195, 56420), (1300, 51863), (1550, 43498), (1612, 41825), (1673, 40300), (1820, 37045), (2015, 33460), (2170, 31070), (2275, 29636), (2390, 28210), (2821, 23900), (3100, 21749), (3107, 21700), (3346, 20150), (4030, 16730), (4340, 15535), (4550, 14818), (4780, 14105), (5425, 12428), (5642, 11950), (5975, 11284), (6214, 10850), (6692, 10075), (7409, 9100), (8060, 8365)]