42783860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 105575400

約数和(自身を除く): 62791540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 293, 298, 490, 586, 596, 745, 980, 1043, 1172, 1465, 1490, 2051, 2086, 2930, 2980, 4102, 4172, 5215, 5860, 7301, 8204, 10255, 10430, 14357, 14602, 20510, 20860, 28714, 29204, 36505, 41020, 43657, 57428, 71785, 73010, 87314, 143570, 146020, 174628, 218285, 287140, 305599, 436570, 611198, 873140, 1222396, 1527995, 2139193, 3055990, 4278386, 6111980, 8556772, 10695965, 21391930, 42783860]

約数ペア:

[(1, 42783860), (2, 21391930), (4, 10695965), (5, 8556772), (7, 6111980), (10, 4278386), (14, 3055990), (20, 2139193), (28, 1527995), (35, 1222396), (49, 873140), (70, 611198), (98, 436570), (140, 305599), (149, 287140), (196, 218285), (245, 174628), (293, 146020), (298, 143570), (490, 87314), (586, 73010), (596, 71785), (745, 57428), (980, 43657), (1043, 41020), (1172, 36505), (1465, 29204), (1490, 28714), (2051, 20860), (2086, 20510), (2930, 14602), (2980, 14357), (4102, 10430), (4172, 10255), (5215, 8204), (5860, 7301)]