888405440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:227

約数の個数: 168

約数和(自身を含む): 2380414848

約数和(自身を除く): 1492009408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 83, 104, 124, 130, 155, 160, 166, 208, 248, 260, 310, 320, 332, 403, 415, 416, 496, 520, 620, 664, 806, 830, 832, 992, 1040, 1079, 1240, 1328, 1612, 1660, 1984, 2015, 2080, 2158, 2480, 2573, 2656, 3224, 3320, 4030, 4160, 4316, 4960, 5146, 5312, 5395, 6448, 6640, 6889, 8060, 8632, 9920, 10292, 10790, 12865, 12896, 13280, 13778, 16120, 17264, 20584, 21580, 25730, 25792, 26560, 27556, 32240, 33449, 34445, 34528, 41168, 43160, 51460, 55112, 64480, 66898, 68890, 69056, 82336, 86320, 89557, 102920, 110224, 128960, 133796, 137780, 164672, 167245, 172640, 179114, 205840, 213559, 220448, 267592, 275560, 334490, 345280, 358228, 411680, 427118, 440896, 447785, 535184, 551120, 668980, 716456, 823360, 854236, 895570, 1067795, 1070368, 1102240, 1337960, 1432912, 1708472, 1791140, 2135590, 2140736, 2204480, 2675920, 2776267, 2865824, 3416944, 3582280, 4271180, 5351840, 5552534, 5731648, 6833888, 7164560, 8542360, 10703680, 11105068, 13667776, 13881335, 14329120, 17084720, 22210136, 27762670, 28658240, 34169440, 44420272, 55525340, 68338880, 88840544, 111050680, 177681088, 222101360, 444202720, 888405440]

約数ペア:

[(1, 888405440), (2, 444202720), (4, 222101360), (5, 177681088), (8, 111050680), (10, 88840544), (13, 68338880), (16, 55525340), (20, 44420272), (26, 34169440), (31, 28658240), (32, 27762670), (40, 22210136), (52, 17084720), (62, 14329120), (64, 13881335), (65, 13667776), (80, 11105068), (83, 10703680), (104, 8542360), (124, 7164560), (130, 6833888), (155, 5731648), (160, 5552534), (166, 5351840), (208, 4271180), (248, 3582280), (260, 3416944), (310, 2865824), (320, 2776267), (332, 2675920), (403, 2204480), (415, 2140736), (416, 2135590), (496, 1791140), (520, 1708472), (620, 1432912), (664, 1337960), (806, 1102240), (830, 1070368), (832, 1067795), (992, 895570), (1040, 854236), (1079, 823360), (1240, 716456), (1328, 668980), (1612, 551120), (1660, 535184), (1984, 447785), (2015, 440896), (2080, 427118), (2158, 411680), (2480, 358228), (2573, 345280), (2656, 334490), (3224, 275560), (3320, 267592), (4030, 220448), (4160, 213559), (4316, 205840), (4960, 179114), (5146, 172640), (5312, 167245), (5395, 164672), (6448, 137780), (6640, 133796), (6889, 128960), (8060, 110224), (8632, 102920), (9920, 89557), (10292, 86320), (10790, 82336), (12865, 69056), (12896, 68890), (13280, 66898), (13778, 64480), (16120, 55112), (17264, 51460), (20584, 43160), (21580, 41168), (25730, 34528), (25792, 34445), (26560, 33449), (27556, 32240)]