69620980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2213}}^1$

素因数の和:2257

約数の個数: 72

約数和(自身を含む): 173143656

約数和(自身を除く): 103522676

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2213, 2420, 2860, 3146, 4426, 6292, 7865, 8852, 11065, 15730, 22130, 24343, 28769, 31460, 44260, 48686, 57538, 97372, 115076, 121715, 143845, 243430, 267773, 287690, 316459, 486860, 535546, 575380, 632918, 1071092, 1265836, 1338865, 1582295, 2677730, 3164590, 3481049, 5355460, 6329180, 6962098, 13924196, 17405245, 34810490, 69620980]

約数ペア:

[(1, 69620980), (2, 34810490), (4, 17405245), (5, 13924196), (10, 6962098), (11, 6329180), (13, 5355460), (20, 3481049), (22, 3164590), (26, 2677730), (44, 1582295), (52, 1338865), (55, 1265836), (65, 1071092), (110, 632918), (121, 575380), (130, 535546), (143, 486860), (220, 316459), (242, 287690), (260, 267773), (286, 243430), (484, 143845), (572, 121715), (605, 115076), (715, 97372), (1210, 57538), (1430, 48686), (1573, 44260), (2213, 31460), (2420, 28769), (2860, 24343), (3146, 22130), (4426, 15730), (6292, 11065), (7865, 8852)]