17990429180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{58727}}^1$

素因数の和:58823

約数の個数: 72

約数和(自身を含む): 40890896928

約数和(自身を除く): 22900467748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 289, 340, 530, 578, 901, 1060, 1156, 1445, 1802, 2890, 3604, 4505, 5780, 9010, 15317, 18020, 30634, 58727, 61268, 76585, 117454, 153170, 234908, 293635, 306340, 587270, 998359, 1174540, 1996718, 3112531, 3993436, 4991795, 6225062, 9983590, 12450124, 15562655, 16972103, 19967180, 31125310, 33944206, 52913027, 62250620, 67888412, 84860515, 105826054, 169721030, 211652108, 264565135, 339442060, 529130270, 899521459, 1058260540, 1799042918, 3598085836, 4497607295, 8995214590, 17990429180]

約数ペア:

[(1, 17990429180), (2, 8995214590), (4, 4497607295), (5, 3598085836), (10, 1799042918), (17, 1058260540), (20, 899521459), (34, 529130270), (53, 339442060), (68, 264565135), (85, 211652108), (106, 169721030), (170, 105826054), (212, 84860515), (265, 67888412), (289, 62250620), (340, 52913027), (530, 33944206), (578, 31125310), (901, 19967180), (1060, 16972103), (1156, 15562655), (1445, 12450124), (1802, 9983590), (2890, 6225062), (3604, 4991795), (4505, 3993436), (5780, 3112531), (9010, 1996718), (15317, 1174540), (18020, 998359), (30634, 587270), (58727, 306340), (61268, 293635), (76585, 234908), (117454, 153170)]