305457880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2769

約数の個数: 128

約数和(自身を含む): 873492480

約数和(自身を除く): 568034600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2707, 2821, 3224, 3640, 4030, 4340, 5414, 5642, 8060, 8680, 10828, 11284, 13535, 14105, 16120, 18949, 21656, 22568, 27070, 28210, 35191, 37898, 54140, 56420, 70382, 75796, 83917, 94745, 108280, 112840, 140764, 151592, 167834, 175955, 189490, 246337, 281528, 335668, 351910, 378980, 419585, 492674, 587419, 671336, 703820, 757960, 839170, 985348, 1090921, 1174838, 1231685, 1407640, 1678340, 1970696, 2181842, 2349676, 2463370, 2937095, 3356680, 4363684, 4699352, 4926740, 5454605, 5874190, 7636447, 8727368, 9853480, 10909210, 11748380, 15272894, 21818420, 23496760, 30545788, 38182235, 43636840, 61091576, 76364470, 152728940, 305457880]

約数ペア:

[(1, 305457880), (2, 152728940), (4, 76364470), (5, 61091576), (7, 43636840), (8, 38182235), (10, 30545788), (13, 23496760), (14, 21818420), (20, 15272894), (26, 11748380), (28, 10909210), (31, 9853480), (35, 8727368), (40, 7636447), (52, 5874190), (56, 5454605), (62, 4926740), (65, 4699352), (70, 4363684), (91, 3356680), (104, 2937095), (124, 2463370), (130, 2349676), (140, 2181842), (155, 1970696), (182, 1678340), (217, 1407640), (248, 1231685), (260, 1174838), (280, 1090921), (310, 985348), (364, 839170), (403, 757960), (434, 703820), (455, 671336), (520, 587419), (620, 492674), (728, 419585), (806, 378980), (868, 351910), (910, 335668), (1085, 281528), (1240, 246337), (1612, 189490), (1736, 175955), (1820, 167834), (2015, 151592), (2170, 140764), (2707, 112840), (2821, 108280), (3224, 94745), (3640, 83917), (4030, 75796), (4340, 70382), (5414, 56420), (5642, 54140), (8060, 37898), (8680, 35191), (10828, 28210), (11284, 27070), (13535, 22568), (14105, 21656), (16120, 18949)]