742808540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 1692762624

約数和(自身を除く): 949954084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 101, 170, 194, 202, 223, 340, 388, 404, 446, 485, 505, 892, 970, 1010, 1115, 1649, 1717, 1940, 2020, 2230, 3298, 3434, 3791, 4460, 6596, 6868, 7582, 8245, 8585, 9797, 15164, 16490, 17170, 18955, 19594, 21631, 22523, 32980, 34340, 37910, 39188, 43262, 45046, 48985, 75820, 86524, 90092, 97970, 108155, 112615, 166549, 195940, 216310, 225230, 333098, 367727, 382891, 432620, 450460, 666196, 735454, 765782, 832745, 1470908, 1531564, 1665490, 1838635, 1914455, 2184731, 3330980, 3677270, 3828910, 4369462, 7354540, 7657820, 8738924, 10923655, 21847310, 37140427, 43694620, 74280854, 148561708, 185702135, 371404270, 742808540]

約数ペア:

[(1, 742808540), (2, 371404270), (4, 185702135), (5, 148561708), (10, 74280854), (17, 43694620), (20, 37140427), (34, 21847310), (68, 10923655), (85, 8738924), (97, 7657820), (101, 7354540), (170, 4369462), (194, 3828910), (202, 3677270), (223, 3330980), (340, 2184731), (388, 1914455), (404, 1838635), (446, 1665490), (485, 1531564), (505, 1470908), (892, 832745), (970, 765782), (1010, 735454), (1115, 666196), (1649, 450460), (1717, 432620), (1940, 382891), (2020, 367727), (2230, 333098), (3298, 225230), (3434, 216310), (3791, 195940), (4460, 166549), (6596, 112615), (6868, 108155), (7582, 97970), (8245, 90092), (8585, 86524), (9797, 75820), (15164, 48985), (16490, 45046), (17170, 43262), (18955, 39188), (19594, 37910), (21631, 34340), (22523, 32980)]