2000417900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21673}}^1$

素因数の和:21771

約数の個数: 72

約数和(自身を含む): 4740884064

約数和(自身を除く): 2740466164

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 650, 710, 923, 1300, 1420, 1775, 1846, 3550, 3692, 4615, 7100, 9230, 18460, 21673, 23075, 43346, 46150, 86692, 92300, 108365, 216730, 281749, 433460, 541825, 563498, 1083650, 1126996, 1408745, 1538783, 2167300, 2817490, 3077566, 5634980, 6155132, 7043725, 7693915, 14087450, 15387830, 20004179, 28174900, 30775660, 38469575, 40008358, 76939150, 80016716, 100020895, 153878300, 200041790, 400083580, 500104475, 1000208950, 2000417900]

約数ペア:

[(1, 2000417900), (2, 1000208950), (4, 500104475), (5, 400083580), (10, 200041790), (13, 153878300), (20, 100020895), (25, 80016716), (26, 76939150), (50, 40008358), (52, 38469575), (65, 30775660), (71, 28174900), (100, 20004179), (130, 15387830), (142, 14087450), (260, 7693915), (284, 7043725), (325, 6155132), (355, 5634980), (650, 3077566), (710, 2817490), (923, 2167300), (1300, 1538783), (1420, 1408745), (1775, 1126996), (1846, 1083650), (3550, 563498), (3692, 541825), (4615, 433460), (7100, 281749), (9230, 216730), (18460, 108365), (21673, 92300), (23075, 86692), (43346, 46150)]