291258220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1181}}^1$

素因数の和:1279

約数の個数: 96

約数和(自身を含む): 714873600

約数和(自身を除く): 423615380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 59, 76, 95, 110, 118, 190, 209, 220, 236, 295, 380, 418, 590, 649, 836, 1045, 1121, 1180, 1181, 1298, 2090, 2242, 2362, 2596, 3245, 4180, 4484, 4724, 5605, 5905, 6490, 11210, 11810, 12331, 12980, 12991, 22420, 22439, 23620, 24662, 25982, 44878, 49324, 51964, 61655, 64955, 69679, 89756, 112195, 123310, 129910, 139358, 224390, 246620, 246829, 259820, 278716, 348395, 448780, 493658, 696790, 766469, 987316, 1234145, 1323901, 1393580, 1532938, 2468290, 2647802, 3065876, 3832345, 4936580, 5295604, 6619505, 7664690, 13239010, 14562911, 15329380, 26478020, 29125822, 58251644, 72814555, 145629110, 291258220]

約数ペア:

[(1, 291258220), (2, 145629110), (4, 72814555), (5, 58251644), (10, 29125822), (11, 26478020), (19, 15329380), (20, 14562911), (22, 13239010), (38, 7664690), (44, 6619505), (55, 5295604), (59, 4936580), (76, 3832345), (95, 3065876), (110, 2647802), (118, 2468290), (190, 1532938), (209, 1393580), (220, 1323901), (236, 1234145), (295, 987316), (380, 766469), (418, 696790), (590, 493658), (649, 448780), (836, 348395), (1045, 278716), (1121, 259820), (1180, 246829), (1181, 246620), (1298, 224390), (2090, 139358), (2242, 129910), (2362, 123310), (2596, 112195), (3245, 89756), (4180, 69679), (4484, 64955), (4724, 61655), (5605, 51964), (5905, 49324), (6490, 44878), (11210, 25982), (11810, 24662), (12331, 23620), (12980, 22439), (12991, 22420)]