259048900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 108

約数和(自身を含む): 628015360

約数和(自身を除く): 368966460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 121, 158, 220, 242, 271, 275, 316, 395, 484, 542, 550, 605, 790, 869, 1084, 1100, 1210, 1355, 1580, 1738, 1975, 2420, 2710, 2981, 3025, 3476, 3950, 4345, 5420, 5962, 6050, 6775, 7900, 8690, 9559, 11924, 12100, 13550, 14905, 17380, 19118, 21409, 21725, 27100, 29810, 32791, 38236, 42818, 43450, 47795, 59620, 65582, 74525, 85636, 86900, 95590, 107045, 131164, 149050, 163955, 191180, 214090, 235499, 238975, 298100, 327910, 428180, 470998, 477950, 535225, 655820, 819775, 941996, 955900, 1070450, 1177495, 1639550, 2140900, 2354990, 2590489, 3279100, 4709980, 5180978, 5887475, 10361956, 11774950, 12952445, 23549900, 25904890, 51809780, 64762225, 129524450, 259048900]

約数ペア:

[(1, 259048900), (2, 129524450), (4, 64762225), (5, 51809780), (10, 25904890), (11, 23549900), (20, 12952445), (22, 11774950), (25, 10361956), (44, 5887475), (50, 5180978), (55, 4709980), (79, 3279100), (100, 2590489), (110, 2354990), (121, 2140900), (158, 1639550), (220, 1177495), (242, 1070450), (271, 955900), (275, 941996), (316, 819775), (395, 655820), (484, 535225), (542, 477950), (550, 470998), (605, 428180), (790, 327910), (869, 298100), (1084, 238975), (1100, 235499), (1210, 214090), (1355, 191180), (1580, 163955), (1738, 149050), (1975, 131164), (2420, 107045), (2710, 95590), (2981, 86900), (3025, 85636), (3476, 74525), (3950, 65582), (4345, 59620), (5420, 47795), (5962, 43450), (6050, 42818), (6775, 38236), (7900, 32791), (8690, 29810), (9559, 27100), (11924, 21725), (12100, 21409), (13550, 19118), (14905, 17380)]