28704910040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1361713}}^1$

素因数の和:1361772

約数の個数: 64

約数和(自身を含む): 70591253760

約数和(自身を除く): 41886343720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 21080, 1361713, 2723426, 5446852, 6808565, 10893704, 13617130, 23149121, 27234260, 42213103, 46298242, 54468520, 84426206, 92596484, 115745605, 168852412, 185192968, 211065515, 231491210, 337704824, 422131030, 462982420, 717622751, 844262060, 925964840, 1435245502, 1688524120, 2870491004, 3588113755, 5740982008, 7176227510, 14352455020, 28704910040]

約数ペア:

[(1, 28704910040), (2, 14352455020), (4, 7176227510), (5, 5740982008), (8, 3588113755), (10, 2870491004), (17, 1688524120), (20, 1435245502), (31, 925964840), (34, 844262060), (40, 717622751), (62, 462982420), (68, 422131030), (85, 337704824), (124, 231491210), (136, 211065515), (155, 185192968), (170, 168852412), (248, 115745605), (310, 92596484), (340, 84426206), (527, 54468520), (620, 46298242), (680, 42213103), (1054, 27234260), (1240, 23149121), (2108, 13617130), (2635, 10893704), (4216, 6808565), (5270, 5446852), (10540, 2723426), (21080, 1361713)]