23030980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 57226176

約数和(自身を除く): 34195196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 331, 355, 490, 497, 662, 710, 980, 994, 1324, 1420, 1655, 1988, 2317, 2485, 3310, 3479, 4634, 4970, 6620, 6958, 9268, 9940, 11585, 13916, 16219, 17395, 23170, 23501, 32438, 34790, 46340, 47002, 64876, 69580, 81095, 94004, 117505, 162190, 164507, 235010, 324380, 329014, 470020, 658028, 822535, 1151549, 1645070, 2303098, 3290140, 4606196, 5757745, 11515490, 23030980]

約数ペア:

[(1, 23030980), (2, 11515490), (4, 5757745), (5, 4606196), (7, 3290140), (10, 2303098), (14, 1645070), (20, 1151549), (28, 822535), (35, 658028), (49, 470020), (70, 329014), (71, 324380), (98, 235010), (140, 164507), (142, 162190), (196, 117505), (245, 94004), (284, 81095), (331, 69580), (355, 64876), (490, 47002), (497, 46340), (662, 34790), (710, 32438), (980, 23501), (994, 23170), (1324, 17395), (1420, 16219), (1655, 13916), (1988, 11585), (2317, 9940), (2485, 9268), (3310, 6958), (3479, 6620), (4634, 4970)]