9840860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 23042880

約数和(自身を除く): 13202020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 47, 58, 76, 94, 95, 116, 145, 188, 190, 235, 290, 361, 380, 470, 551, 580, 722, 893, 940, 1102, 1363, 1444, 1786, 1805, 2204, 2726, 2755, 3572, 3610, 4465, 5452, 5510, 6815, 7220, 8930, 10469, 11020, 13630, 16967, 17860, 20938, 25897, 27260, 33934, 41876, 51794, 52345, 67868, 84835, 103588, 104690, 129485, 169670, 209380, 258970, 339340, 492043, 517940, 984086, 1968172, 2460215, 4920430, 9840860]

約数ペア:

[(1, 9840860), (2, 4920430), (4, 2460215), (5, 1968172), (10, 984086), (19, 517940), (20, 492043), (29, 339340), (38, 258970), (47, 209380), (58, 169670), (76, 129485), (94, 104690), (95, 103588), (116, 84835), (145, 67868), (188, 52345), (190, 51794), (235, 41876), (290, 33934), (361, 27260), (380, 25897), (470, 20938), (551, 17860), (580, 16967), (722, 13630), (893, 11020), (940, 10469), (1102, 8930), (1363, 7220), (1444, 6815), (1786, 5510), (1805, 5452), (2204, 4465), (2726, 3610), (2755, 3572)]