309387320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:789

約数の個数: 96

約数和(自身を含む): 774219600

約数和(自身を除く): 464832280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 121, 194, 220, 242, 388, 440, 484, 485, 605, 659, 776, 968, 970, 1067, 1210, 1318, 1940, 2134, 2420, 2636, 3295, 3880, 4268, 4840, 5272, 5335, 6590, 7249, 8536, 10670, 11737, 13180, 14498, 21340, 23474, 26360, 28996, 36245, 42680, 46948, 57992, 58685, 63923, 72490, 79739, 93896, 117370, 127846, 144980, 159478, 234740, 255692, 289960, 318956, 319615, 398695, 469480, 511384, 637912, 639230, 703153, 797390, 1278460, 1406306, 1594780, 2556920, 2812612, 3189560, 3515765, 5625224, 7031530, 7734683, 14063060, 15469366, 28126120, 30938732, 38673415, 61877464, 77346830, 154693660, 309387320]

約数ペア:

[(1, 309387320), (2, 154693660), (4, 77346830), (5, 61877464), (8, 38673415), (10, 30938732), (11, 28126120), (20, 15469366), (22, 14063060), (40, 7734683), (44, 7031530), (55, 5625224), (88, 3515765), (97, 3189560), (110, 2812612), (121, 2556920), (194, 1594780), (220, 1406306), (242, 1278460), (388, 797390), (440, 703153), (484, 639230), (485, 637912), (605, 511384), (659, 469480), (776, 398695), (968, 319615), (970, 318956), (1067, 289960), (1210, 255692), (1318, 234740), (1940, 159478), (2134, 144980), (2420, 127846), (2636, 117370), (3295, 93896), (3880, 79739), (4268, 72490), (4840, 63923), (5272, 58685), (5335, 57992), (6590, 46948), (7249, 42680), (8536, 36245), (10670, 28996), (11737, 26360), (13180, 23474), (14498, 21340)]