88391990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 88900810

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 113, 115, 179, 190, 226, 230, 358, 437, 565, 874, 895, 1130, 1790, 2147, 2185, 2599, 3401, 4117, 4294, 4370, 5198, 6802, 8234, 10735, 12995, 17005, 20227, 20585, 21470, 25990, 34010, 40454, 41170, 49381, 78223, 98762, 101135, 156446, 202270, 246905, 384313, 391115, 465221, 493810, 768626, 782230, 930442, 1921565, 2326105, 3843130, 4652210, 8839199, 17678398, 44195995, 88391990]

約数ペア:

[(1, 88391990), (2, 44195995), (5, 17678398), (10, 8839199), (19, 4652210), (23, 3843130), (38, 2326105), (46, 1921565), (95, 930442), (113, 782230), (115, 768626), (179, 493810), (190, 465221), (226, 391115), (230, 384313), (358, 246905), (437, 202270), (565, 156446), (874, 101135), (895, 98762), (1130, 78223), (1790, 49381), (2147, 41170), (2185, 40454), (2599, 34010), (3401, 25990), (4117, 21470), (4294, 20585), (4370, 20227), (5198, 17005), (6802, 12995), (8234, 10735)]