891293260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 2272921056

約数和(自身を除く): 1381627796

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 55, 65, 82, 110, 121, 130, 143, 164, 205, 220, 242, 260, 286, 410, 451, 484, 533, 572, 605, 691, 715, 820, 902, 1066, 1210, 1382, 1430, 1573, 1804, 2132, 2255, 2420, 2665, 2764, 2860, 3146, 3455, 4510, 4961, 5330, 5863, 6292, 6910, 7601, 7865, 8983, 9020, 9922, 10660, 11726, 13820, 15202, 15730, 17966, 19844, 23452, 24805, 28331, 29315, 30404, 31460, 35932, 38005, 44915, 49610, 56662, 58630, 64493, 76010, 83611, 89830, 98813, 99220, 113324, 117260, 128986, 141655, 152020, 167222, 179660, 197626, 257972, 283310, 311641, 322465, 334444, 368303, 395252, 418055, 494065, 566620, 623282, 644930, 736606, 836110, 988130, 1086943, 1246564, 1289860, 1473212, 1558205, 1672220, 1841515, 1976260, 2173886, 3116410, 3428051, 3683030, 4051333, 4347772, 5434715, 6232820, 6856102, 7366060, 8102666, 10869430, 13712204, 16205332, 17140255, 20256665, 21738860, 34280510, 40513330, 44564663, 68561020, 81026660, 89129326, 178258652, 222823315, 445646630, 891293260]

約数ペア:

[(1, 891293260), (2, 445646630), (4, 222823315), (5, 178258652), (10, 89129326), (11, 81026660), (13, 68561020), (20, 44564663), (22, 40513330), (26, 34280510), (41, 21738860), (44, 20256665), (52, 17140255), (55, 16205332), (65, 13712204), (82, 10869430), (110, 8102666), (121, 7366060), (130, 6856102), (143, 6232820), (164, 5434715), (205, 4347772), (220, 4051333), (242, 3683030), (260, 3428051), (286, 3116410), (410, 2173886), (451, 1976260), (484, 1841515), (533, 1672220), (572, 1558205), (605, 1473212), (691, 1289860), (715, 1246564), (820, 1086943), (902, 988130), (1066, 836110), (1210, 736606), (1382, 644930), (1430, 623282), (1573, 566620), (1804, 494065), (2132, 418055), (2255, 395252), (2420, 368303), (2665, 334444), (2764, 322465), (2860, 311641), (3146, 283310), (3455, 257972), (4510, 197626), (4961, 179660), (5330, 167222), (5863, 152020), (6292, 141655), (6910, 128986), (7601, 117260), (7865, 113324), (8983, 99220), (9020, 98813), (9922, 89830), (10660, 83611), (11726, 76010), (13820, 64493), (15202, 58630), (15730, 56662), (17966, 49610), (19844, 44915), (23452, 38005), (24805, 35932), (28331, 31460), (29315, 30404)]