207172810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 419126400

約数和(自身を除く): 211953590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 179, 290, 307, 358, 377, 614, 754, 895, 1535, 1790, 1885, 2327, 3070, 3770, 3991, 4654, 5191, 7982, 8903, 10382, 11635, 17806, 19955, 23270, 25955, 39910, 44515, 51910, 54953, 67483, 89030, 109906, 115739, 134966, 231478, 274765, 337415, 549530, 578695, 674830, 714389, 1157390, 1428778, 1593637, 3187274, 3571945, 7143890, 7968185, 15936370, 20717281, 41434562, 103586405, 207172810]

約数ペア:

[(1, 207172810), (2, 103586405), (5, 41434562), (10, 20717281), (13, 15936370), (26, 7968185), (29, 7143890), (58, 3571945), (65, 3187274), (130, 1593637), (145, 1428778), (179, 1157390), (290, 714389), (307, 674830), (358, 578695), (377, 549530), (614, 337415), (754, 274765), (895, 231478), (1535, 134966), (1790, 115739), (1885, 109906), (2327, 89030), (3070, 67483), (3770, 54953), (3991, 51910), (4654, 44515), (5191, 39910), (7982, 25955), (8903, 23270), (10382, 19955), (11635, 17806)]