90288380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 250699680

約数和(自身を除く): 160411300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 364, 373, 380, 455, 490, 494, 532, 637, 665, 746, 910, 931, 980, 988, 1235, 1274, 1330, 1492, 1729, 1820, 1862, 1865, 2470, 2548, 2611, 2660, 3185, 3458, 3724, 3730, 4655, 4849, 4940, 5222, 6370, 6916, 7087, 7460, 8645, 9310, 9698, 10444, 12103, 12740, 13055, 14174, 17290, 18277, 18620, 19396, 24206, 24245, 26110, 28348, 33943, 34580, 35435, 36554, 48412, 48490, 49609, 52220, 60515, 67886, 70870, 73108, 91385, 92131, 96980, 99218, 121030, 135772, 141740, 169715, 182770, 184262, 198436, 237601, 242060, 248045, 339430, 347263, 365540, 368524, 460655, 475202, 496090, 644917, 678860, 694526, 921310, 950404, 992180, 1188005, 1289834, 1389052, 1736315, 1842620, 2376010, 2579668, 3224585, 3472630, 4514419, 4752020, 6449170, 6945260, 9028838, 12898340, 18057676, 22572095, 45144190, 90288380]

約数ペア:

[(1, 90288380), (2, 45144190), (4, 22572095), (5, 18057676), (7, 12898340), (10, 9028838), (13, 6945260), (14, 6449170), (19, 4752020), (20, 4514419), (26, 3472630), (28, 3224585), (35, 2579668), (38, 2376010), (49, 1842620), (52, 1736315), (65, 1389052), (70, 1289834), (76, 1188005), (91, 992180), (95, 950404), (98, 921310), (130, 694526), (133, 678860), (140, 644917), (182, 496090), (190, 475202), (196, 460655), (245, 368524), (247, 365540), (260, 347263), (266, 339430), (364, 248045), (373, 242060), (380, 237601), (455, 198436), (490, 184262), (494, 182770), (532, 169715), (637, 141740), (665, 135772), (746, 121030), (910, 99218), (931, 96980), (980, 92131), (988, 91385), (1235, 73108), (1274, 70870), (1330, 67886), (1492, 60515), (1729, 52220), (1820, 49609), (1862, 48490), (1865, 48412), (2470, 36554), (2548, 35435), (2611, 34580), (2660, 33943), (3185, 28348), (3458, 26110), (3724, 24245), (3730, 24206), (4655, 19396), (4849, 18620), (4940, 18277), (5222, 17290), (6370, 14174), (6916, 13055), (7087, 12740), (7460, 12103), (8645, 10444), (9310, 9698)]