201518030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^2\times {\mathrm{149}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 420357600

約数和(自身を除く): 218839570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 149, 278, 298, 695, 745, 973, 1043, 1390, 1490, 1946, 2086, 4865, 5215, 9730, 10430, 19321, 20711, 38642, 41422, 96605, 103555, 135247, 144977, 193210, 207110, 270494, 289954, 676235, 724885, 1352470, 1449770, 2878829, 5757658, 14394145, 20151803, 28788290, 40303606, 100759015, 201518030]

約数ペア:

[(1, 201518030), (2, 100759015), (5, 40303606), (7, 28788290), (10, 20151803), (14, 14394145), (35, 5757658), (70, 2878829), (139, 1449770), (149, 1352470), (278, 724885), (298, 676235), (695, 289954), (745, 270494), (973, 207110), (1043, 193210), (1390, 144977), (1490, 135247), (1946, 103555), (2086, 96605), (4865, 41422), (5215, 38642), (9730, 20711), (10430, 19321)]