123433940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 330946560

約数和(自身を除く): 207512620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 49, 62, 68, 70, 85, 98, 119, 124, 140, 155, 170, 196, 217, 238, 239, 245, 310, 340, 434, 476, 478, 490, 527, 595, 620, 833, 868, 956, 980, 1054, 1085, 1190, 1195, 1519, 1666, 1673, 2108, 2170, 2380, 2390, 2635, 3038, 3332, 3346, 3689, 4063, 4165, 4340, 4780, 5270, 6076, 6692, 7378, 7409, 7595, 8126, 8330, 8365, 10540, 11711, 14756, 14818, 15190, 16252, 16660, 16730, 18445, 20315, 23422, 25823, 28441, 29636, 30380, 33460, 36890, 37045, 40630, 46844, 51646, 51863, 56882, 58555, 73780, 74090, 81260, 103292, 103726, 113764, 117110, 125953, 129115, 142205, 148180, 199087, 207452, 234220, 251906, 258230, 259315, 284410, 363041, 398174, 503812, 516460, 518630, 568820, 629765, 726082, 796348, 881671, 995435, 1037260, 1259530, 1452164, 1763342, 1815205, 1990870, 2519060, 3526684, 3630410, 3981740, 4408355, 6171697, 7260820, 8816710, 12343394, 17633420, 24686788, 30858485, 61716970, 123433940]

約数ペア:

[(1, 123433940), (2, 61716970), (4, 30858485), (5, 24686788), (7, 17633420), (10, 12343394), (14, 8816710), (17, 7260820), (20, 6171697), (28, 4408355), (31, 3981740), (34, 3630410), (35, 3526684), (49, 2519060), (62, 1990870), (68, 1815205), (70, 1763342), (85, 1452164), (98, 1259530), (119, 1037260), (124, 995435), (140, 881671), (155, 796348), (170, 726082), (196, 629765), (217, 568820), (238, 518630), (239, 516460), (245, 503812), (310, 398174), (340, 363041), (434, 284410), (476, 259315), (478, 258230), (490, 251906), (527, 234220), (595, 207452), (620, 199087), (833, 148180), (868, 142205), (956, 129115), (980, 125953), (1054, 117110), (1085, 113764), (1190, 103726), (1195, 103292), (1519, 81260), (1666, 74090), (1673, 73780), (2108, 58555), (2170, 56882), (2380, 51863), (2390, 51646), (2635, 46844), (3038, 40630), (3332, 37045), (3346, 36890), (3689, 33460), (4063, 30380), (4165, 29636), (4340, 28441), (4780, 25823), (5270, 23422), (6076, 20315), (6692, 18445), (7378, 16730), (7409, 16660), (7595, 16252), (8126, 15190), (8330, 14818), (8365, 14756), (10540, 11711)]