2019811220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{96827}}^1$

素因数の和:96992

約数の個数: 48

約数和(自身を含む): 4880131200

約数和(自身を除く): 2860319980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 96827, 193654, 387308, 484135, 677789, 968270, 1355578, 1936540, 2711156, 3388945, 6777890, 13555780, 14427223, 28854446, 57708892, 72136115, 100990561, 144272230, 201981122, 288544460, 403962244, 504952805, 1009905610, 2019811220]

約数ペア:

[(1, 2019811220), (2, 1009905610), (4, 504952805), (5, 403962244), (7, 288544460), (10, 201981122), (14, 144272230), (20, 100990561), (28, 72136115), (35, 57708892), (70, 28854446), (140, 14427223), (149, 13555780), (298, 6777890), (596, 3388945), (745, 2711156), (1043, 1936540), (1490, 1355578), (2086, 968270), (2980, 677789), (4172, 484135), (5215, 387308), (10430, 193654), (20860, 96827)]