670254580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:2005

約数の個数: 72

約数和(自身を含む): 1520512056

約数和(自身を除く): 850257476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 289, 305, 340, 578, 610, 1037, 1156, 1220, 1445, 1901, 2074, 2890, 3802, 4148, 5185, 5780, 7604, 9505, 10370, 17629, 19010, 20740, 32317, 35258, 38020, 64634, 70516, 88145, 115961, 129268, 161585, 176290, 231922, 323170, 352580, 463844, 549389, 579805, 646340, 1098778, 1159610, 1971337, 2197556, 2319220, 2746945, 3942674, 5493890, 7885348, 9856685, 10987780, 19713370, 33512729, 39426740, 67025458, 134050916, 167563645, 335127290, 670254580]

約数ペア:

[(1, 670254580), (2, 335127290), (4, 167563645), (5, 134050916), (10, 67025458), (17, 39426740), (20, 33512729), (34, 19713370), (61, 10987780), (68, 9856685), (85, 7885348), (122, 5493890), (170, 3942674), (244, 2746945), (289, 2319220), (305, 2197556), (340, 1971337), (578, 1159610), (610, 1098778), (1037, 646340), (1156, 579805), (1220, 549389), (1445, 463844), (1901, 352580), (2074, 323170), (2890, 231922), (3802, 176290), (4148, 161585), (5185, 129268), (5780, 115961), (7604, 88145), (9505, 70516), (10370, 64634), (17629, 38020), (19010, 35258), (20740, 32317)]