311284220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1135

約数の個数: 96

約数和(自身を含む): 753910080

約数和(自身を除く): 442625860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 61, 65, 76, 95, 122, 130, 190, 244, 247, 260, 305, 380, 494, 610, 793, 988, 1033, 1159, 1220, 1235, 1586, 2066, 2318, 2470, 3172, 3965, 4132, 4636, 4940, 5165, 5795, 7930, 10330, 11590, 13429, 15067, 15860, 19627, 20660, 23180, 26858, 30134, 39254, 53716, 60268, 63013, 67145, 75335, 78508, 98135, 126026, 134290, 150670, 196270, 252052, 255151, 268580, 301340, 315065, 392540, 510302, 630130, 819169, 1020604, 1197247, 1260260, 1275755, 1638338, 2394494, 2551510, 3276676, 4095845, 4788988, 5103020, 5986235, 8191690, 11972470, 15564211, 16383380, 23944940, 31128422, 62256844, 77821055, 155642110, 311284220]

約数ペア:

[(1, 311284220), (2, 155642110), (4, 77821055), (5, 62256844), (10, 31128422), (13, 23944940), (19, 16383380), (20, 15564211), (26, 11972470), (38, 8191690), (52, 5986235), (61, 5103020), (65, 4788988), (76, 4095845), (95, 3276676), (122, 2551510), (130, 2394494), (190, 1638338), (244, 1275755), (247, 1260260), (260, 1197247), (305, 1020604), (380, 819169), (494, 630130), (610, 510302), (793, 392540), (988, 315065), (1033, 301340), (1159, 268580), (1220, 255151), (1235, 252052), (1586, 196270), (2066, 150670), (2318, 134290), (2470, 126026), (3172, 98135), (3965, 78508), (4132, 75335), (4636, 67145), (4940, 63013), (5165, 60268), (5795, 53716), (7930, 39254), (10330, 30134), (11590, 26858), (13429, 23180), (15067, 20660), (15860, 19627)]