291277886780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{773}}^1\times {\mathrm{2221}}^1$

素因数の和:3519

約数の個数: 96

約数和(自身を含む): 650094984000

約数和(自身を除く): 358817097220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 499, 773, 998, 1546, 1996, 2221, 2495, 3092, 3865, 4442, 4990, 7730, 8483, 8884, 9980, 11105, 13141, 15460, 16966, 22210, 26282, 33932, 37757, 42415, 44420, 52564, 65705, 75514, 84830, 131410, 151028, 169660, 188785, 262820, 377570, 385727, 755140, 771454, 1108279, 1542908, 1716833, 1928635, 2216558, 3433666, 3857270, 4433116, 5541395, 6557359, 6867332, 7714540, 8584165, 11082790, 13114718, 17168330, 18840743, 22165580, 26229436, 29186161, 32786795, 34336660, 37681486, 58372322, 65573590, 75362972, 94203715, 116744644, 131147180, 145930805, 188407430, 291861610, 376814860, 583723220, 856699667, 1713399334, 3426798668, 4283498335, 8566996670, 14563894339, 17133993340, 29127788678, 58255577356, 72819471695, 145638943390, 291277886780]

約数ペア:

[(1, 291277886780), (2, 145638943390), (4, 72819471695), (5, 58255577356), (10, 29127788678), (17, 17133993340), (20, 14563894339), (34, 8566996670), (68, 4283498335), (85, 3426798668), (170, 1713399334), (340, 856699667), (499, 583723220), (773, 376814860), (998, 291861610), (1546, 188407430), (1996, 145930805), (2221, 131147180), (2495, 116744644), (3092, 94203715), (3865, 75362972), (4442, 65573590), (4990, 58372322), (7730, 37681486), (8483, 34336660), (8884, 32786795), (9980, 29186161), (11105, 26229436), (13141, 22165580), (15460, 18840743), (16966, 17168330), (22210, 13114718), (26282, 11082790), (33932, 8584165), (37757, 7714540), (42415, 6867332), (44420, 6557359), (52564, 5541395), (65705, 4433116), (75514, 3857270), (84830, 3433666), (131410, 2216558), (151028, 1928635), (169660, 1716833), (188785, 1542908), (262820, 1108279), (377570, 771454), (385727, 755140)]