312794900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 804323520

約数和(自身を除く): 491528620

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 43, 44, 50, 55, 68, 85, 86, 100, 110, 170, 172, 187, 215, 220, 275, 340, 374, 389, 425, 430, 473, 550, 731, 748, 778, 850, 860, 935, 946, 1075, 1100, 1462, 1556, 1700, 1870, 1892, 1945, 2150, 2365, 2924, 3655, 3740, 3890, 4279, 4300, 4675, 4730, 6613, 7310, 7780, 8041, 8558, 9350, 9460, 9725, 11825, 13226, 14620, 16082, 16727, 17116, 18275, 18700, 19450, 21395, 23650, 26452, 32164, 33065, 33454, 36550, 38900, 40205, 42790, 47300, 66130, 66908, 72743, 73100, 80410, 83635, 85580, 106975, 132260, 145486, 160820, 165325, 167270, 183997, 201025, 213950, 284359, 290972, 330650, 334540, 363715, 367994, 402050, 418175, 427900, 568718, 661300, 727430, 735988, 804100, 836350, 919985, 1137436, 1421795, 1454860, 1672700, 1818575, 1839970, 2843590, 3127949, 3637150, 3679940, 4599925, 5687180, 6255898, 7108975, 7274300, 9199850, 12511796, 14217950, 15639745, 18399700, 28435900, 31279490, 62558980, 78198725, 156397450, 312794900]

約数ペア:

[(1, 312794900), (2, 156397450), (4, 78198725), (5, 62558980), (10, 31279490), (11, 28435900), (17, 18399700), (20, 15639745), (22, 14217950), (25, 12511796), (34, 9199850), (43, 7274300), (44, 7108975), (50, 6255898), (55, 5687180), (68, 4599925), (85, 3679940), (86, 3637150), (100, 3127949), (110, 2843590), (170, 1839970), (172, 1818575), (187, 1672700), (215, 1454860), (220, 1421795), (275, 1137436), (340, 919985), (374, 836350), (389, 804100), (425, 735988), (430, 727430), (473, 661300), (550, 568718), (731, 427900), (748, 418175), (778, 402050), (850, 367994), (860, 363715), (935, 334540), (946, 330650), (1075, 290972), (1100, 284359), (1462, 213950), (1556, 201025), (1700, 183997), (1870, 167270), (1892, 165325), (1945, 160820), (2150, 145486), (2365, 132260), (2924, 106975), (3655, 85580), (3740, 83635), (3890, 80410), (4279, 73100), (4300, 72743), (4675, 66908), (4730, 66130), (6613, 47300), (7310, 42790), (7780, 40205), (8041, 38900), (8558, 36550), (9350, 33454), (9460, 33065), (9725, 32164), (11825, 26452), (13226, 23650), (14620, 21395), (16082, 19450), (16727, 18700), (17116, 18275)]