421737420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{540689}}^1$

素因数の和:540714

約数の個数: 48

約数和(自身を含む): 1271702880

約数和(自身を除く): 849965460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 540689, 1081378, 1622067, 2162756, 2703445, 3244134, 5406890, 6488268, 7028957, 8110335, 10813780, 14057914, 16220670, 21086871, 28115828, 32441340, 35144785, 42173742, 70289570, 84347484, 105434355, 140579140, 210868710, 421737420]

約数ペア:

[(1, 421737420), (2, 210868710), (3, 140579140), (4, 105434355), (5, 84347484), (6, 70289570), (10, 42173742), (12, 35144785), (13, 32441340), (15, 28115828), (20, 21086871), (26, 16220670), (30, 14057914), (39, 10813780), (52, 8110335), (60, 7028957), (65, 6488268), (78, 5406890), (130, 3244134), (156, 2703445), (195, 2162756), (260, 1622067), (390, 1081378), (780, 540689)]