627280940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 1581597696

約数和(自身を除く): 954316756

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 127, 130, 143, 157, 220, 242, 254, 260, 286, 314, 484, 508, 572, 605, 628, 635, 715, 785, 1210, 1270, 1397, 1430, 1570, 1573, 1651, 1727, 2041, 2420, 2540, 2794, 2860, 3140, 3146, 3302, 3454, 4082, 5588, 6292, 6604, 6908, 6985, 7865, 8164, 8255, 8635, 10205, 13970, 15367, 15730, 16510, 17270, 18161, 18997, 19939, 20410, 22451, 27940, 30734, 31460, 33020, 34540, 36322, 37994, 39878, 40820, 44902, 61468, 72644, 75988, 76835, 79756, 89804, 90805, 94985, 99695, 112255, 153670, 181610, 189970, 199390, 199771, 219329, 224510, 246961, 259207, 307340, 363220, 379940, 398780, 399542, 438658, 449020, 493922, 518414, 799084, 877316, 987844, 998855, 1036828, 1096645, 1234805, 1296035, 1997710, 2193290, 2412619, 2469610, 2592070, 2851277, 3995420, 4386580, 4825238, 4939220, 5184140, 5702554, 9650476, 11405108, 12063095, 14256385, 24126190, 28512770, 31364047, 48252380, 57025540, 62728094, 125456188, 156820235, 313640470, 627280940]

約数ペア:

[(1, 627280940), (2, 313640470), (4, 156820235), (5, 125456188), (10, 62728094), (11, 57025540), (13, 48252380), (20, 31364047), (22, 28512770), (26, 24126190), (44, 14256385), (52, 12063095), (55, 11405108), (65, 9650476), (110, 5702554), (121, 5184140), (127, 4939220), (130, 4825238), (143, 4386580), (157, 3995420), (220, 2851277), (242, 2592070), (254, 2469610), (260, 2412619), (286, 2193290), (314, 1997710), (484, 1296035), (508, 1234805), (572, 1096645), (605, 1036828), (628, 998855), (635, 987844), (715, 877316), (785, 799084), (1210, 518414), (1270, 493922), (1397, 449020), (1430, 438658), (1570, 399542), (1573, 398780), (1651, 379940), (1727, 363220), (2041, 307340), (2420, 259207), (2540, 246961), (2794, 224510), (2860, 219329), (3140, 199771), (3146, 199390), (3302, 189970), (3454, 181610), (4082, 153670), (5588, 112255), (6292, 99695), (6604, 94985), (6908, 90805), (6985, 89804), (7865, 79756), (8164, 76835), (8255, 75988), (8635, 72644), (10205, 61468), (13970, 44902), (15367, 40820), (15730, 39878), (16510, 37994), (17270, 36322), (18161, 34540), (18997, 33020), (19939, 31460), (20410, 30734), (22451, 27940)]