222720730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 431827200

約数和(自身を除く): 209106470

約数列:

[1, 2, 5, 10, 23, 46, 67, 97, 115, 134, 149, 194, 230, 298, 335, 485, 670, 745, 970, 1490, 1541, 2231, 3082, 3427, 4462, 6499, 6854, 7705, 9983, 11155, 12998, 14453, 15410, 17135, 19966, 22310, 28906, 32495, 34270, 49915, 64990, 72265, 99830, 144530, 149477, 229609, 298954, 332419, 459218, 664838, 747385, 968351, 1148045, 1494770, 1662095, 1936702, 2296090, 3324190, 4841755, 9683510, 22272073, 44544146, 111360365, 222720730]

約数ペア:

[(1, 222720730), (2, 111360365), (5, 44544146), (10, 22272073), (23, 9683510), (46, 4841755), (67, 3324190), (97, 2296090), (115, 1936702), (134, 1662095), (149, 1494770), (194, 1148045), (230, 968351), (298, 747385), (335, 664838), (485, 459218), (670, 332419), (745, 298954), (970, 229609), (1490, 149477), (1541, 144530), (2231, 99830), (3082, 72265), (3427, 64990), (4462, 49915), (6499, 34270), (6854, 32495), (7705, 28906), (9983, 22310), (11155, 19966), (12998, 17135), (14453, 15410)]