31533730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 31970270

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 59, 95, 97, 118, 145, 190, 194, 290, 295, 485, 551, 590, 970, 1102, 1121, 1711, 1843, 2242, 2755, 2813, 3422, 3686, 5510, 5605, 5626, 5723, 8555, 9215, 11210, 11446, 14065, 17110, 18430, 28130, 28615, 32509, 53447, 57230, 65018, 106894, 108737, 162545, 165967, 217474, 267235, 325090, 331934, 534470, 543685, 829835, 1087370, 1659670, 3153373, 6306746, 15766865, 31533730]

約数ペア:

[(1, 31533730), (2, 15766865), (5, 6306746), (10, 3153373), (19, 1659670), (29, 1087370), (38, 829835), (58, 543685), (59, 534470), (95, 331934), (97, 325090), (118, 267235), (145, 217474), (190, 165967), (194, 162545), (290, 108737), (295, 106894), (485, 65018), (551, 57230), (590, 53447), (970, 32509), (1102, 28615), (1121, 28130), (1711, 18430), (1843, 17110), (2242, 14065), (2755, 11446), (2813, 11210), (3422, 9215), (3686, 8555), (5510, 5723), (5605, 5626)]