31889270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 70917120

約数和(自身を除く): 39027850

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 46, 58, 70, 115, 145, 161, 203, 230, 290, 322, 406, 667, 683, 805, 1015, 1334, 1366, 1610, 2030, 3335, 3415, 4669, 4781, 6670, 6830, 9338, 9562, 15709, 19807, 23345, 23905, 31418, 39614, 46690, 47810, 78545, 99035, 109963, 138649, 157090, 198070, 219926, 277298, 455561, 549815, 693245, 911122, 1099630, 1386490, 2277805, 3188927, 4555610, 6377854, 15944635, 31889270]

約数ペア:

[(1, 31889270), (2, 15944635), (5, 6377854), (7, 4555610), (10, 3188927), (14, 2277805), (23, 1386490), (29, 1099630), (35, 911122), (46, 693245), (58, 549815), (70, 455561), (115, 277298), (145, 219926), (161, 198070), (203, 157090), (230, 138649), (290, 109963), (322, 99035), (406, 78545), (667, 47810), (683, 46690), (805, 39614), (1015, 31418), (1334, 23905), (1366, 23345), (1610, 19807), (2030, 15709), (3335, 9562), (3415, 9338), (4669, 6830), (4781, 6670)]