3893890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 9434880

約数和(自身を除く): 5540990

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 389, 455, 715, 770, 778, 910, 1001, 1430, 1945, 2002, 2723, 3890, 4279, 5005, 5057, 5446, 8558, 10010, 10114, 13615, 21395, 25285, 27230, 29953, 35399, 42790, 50570, 55627, 59906, 70798, 111254, 149765, 176995, 278135, 299530, 353990, 389389, 556270, 778778, 1946945, 3893890]

約数ペア:

[(1, 3893890), (2, 1946945), (5, 778778), (7, 556270), (10, 389389), (11, 353990), (13, 299530), (14, 278135), (22, 176995), (26, 149765), (35, 111254), (55, 70798), (65, 59906), (70, 55627), (77, 50570), (91, 42790), (110, 35399), (130, 29953), (143, 27230), (154, 25285), (182, 21395), (286, 13615), (385, 10114), (389, 10010), (455, 8558), (715, 5446), (770, 5057), (778, 5005), (910, 4279), (1001, 3890), (1430, 2723), (1945, 2002)]