39730180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 98594496

約数和(自身を除く): 58864316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 571, 710, 980, 994, 1142, 1420, 1988, 2284, 2485, 2855, 3479, 3997, 4970, 5710, 6958, 7994, 9940, 11420, 13916, 15988, 17395, 19985, 27979, 34790, 39970, 40541, 55958, 69580, 79940, 81082, 111916, 139895, 162164, 202705, 279790, 283787, 405410, 559580, 567574, 810820, 1135148, 1418935, 1986509, 2837870, 3973018, 5675740, 7946036, 9932545, 19865090, 39730180]

約数ペア:

[(1, 39730180), (2, 19865090), (4, 9932545), (5, 7946036), (7, 5675740), (10, 3973018), (14, 2837870), (20, 1986509), (28, 1418935), (35, 1135148), (49, 810820), (70, 567574), (71, 559580), (98, 405410), (140, 283787), (142, 279790), (196, 202705), (245, 162164), (284, 139895), (355, 111916), (490, 81082), (497, 79940), (571, 69580), (710, 55958), (980, 40541), (994, 39970), (1142, 34790), (1420, 27979), (1988, 19985), (2284, 17395), (2485, 15988), (2855, 13916), (3479, 11420), (3997, 9940), (4970, 7994), (5710, 6958)]