277968460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 748077120

約数和(自身を除く): 470108660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 121, 122, 140, 154, 220, 242, 244, 269, 305, 308, 385, 427, 484, 538, 605, 610, 671, 770, 847, 854, 1076, 1210, 1220, 1342, 1345, 1540, 1694, 1708, 1883, 2135, 2420, 2684, 2690, 2959, 3355, 3388, 3766, 4235, 4270, 4697, 5380, 5918, 6710, 7381, 7532, 8470, 8540, 9394, 9415, 11836, 13420, 14762, 14795, 16409, 16940, 18788, 18830, 20713, 23485, 29524, 29590, 32549, 32818, 36905, 37660, 41426, 46970, 51667, 59180, 65098, 65636, 73810, 82045, 82852, 93940, 103334, 103565, 114863, 130196, 147620, 162745, 164090, 180499, 206668, 207130, 227843, 229726, 258335, 325490, 328180, 360998, 414260, 455686, 459452, 516670, 574315, 650980, 721996, 902495, 911372, 1033340, 1139215, 1148630, 1263493, 1804990, 1985489, 2278430, 2297260, 2526986, 3609980, 3970978, 4556860, 5053972, 6317465, 7941956, 9927445, 12634930, 13898423, 19854890, 25269860, 27796846, 39709780, 55593692, 69492115, 138984230, 277968460]

約数ペア:

[(1, 277968460), (2, 138984230), (4, 69492115), (5, 55593692), (7, 39709780), (10, 27796846), (11, 25269860), (14, 19854890), (20, 13898423), (22, 12634930), (28, 9927445), (35, 7941956), (44, 6317465), (55, 5053972), (61, 4556860), (70, 3970978), (77, 3609980), (110, 2526986), (121, 2297260), (122, 2278430), (140, 1985489), (154, 1804990), (220, 1263493), (242, 1148630), (244, 1139215), (269, 1033340), (305, 911372), (308, 902495), (385, 721996), (427, 650980), (484, 574315), (538, 516670), (605, 459452), (610, 455686), (671, 414260), (770, 360998), (847, 328180), (854, 325490), (1076, 258335), (1210, 229726), (1220, 227843), (1342, 207130), (1345, 206668), (1540, 180499), (1694, 164090), (1708, 162745), (1883, 147620), (2135, 130196), (2420, 114863), (2684, 103565), (2690, 103334), (2959, 93940), (3355, 82852), (3388, 82045), (3766, 73810), (4235, 65636), (4270, 65098), (4697, 59180), (5380, 51667), (5918, 46970), (6710, 41426), (7381, 37660), (7532, 36905), (8470, 32818), (8540, 32549), (9394, 29590), (9415, 29524), (11836, 23485), (13420, 20713), (14762, 18830), (14795, 18788), (16409, 16940)]