220497680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 120

約数和(自身を含む): 568570752

約数和(自身を除く): 348073072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 169, 188, 208, 235, 260, 338, 347, 376, 470, 520, 611, 676, 694, 752, 845, 940, 1040, 1222, 1352, 1388, 1690, 1735, 1880, 2444, 2704, 2776, 3055, 3380, 3470, 3760, 4511, 4888, 5552, 6110, 6760, 6940, 7943, 9022, 9776, 12220, 13520, 13880, 15886, 16309, 18044, 22555, 24440, 27760, 31772, 32618, 36088, 39715, 45110, 48880, 58643, 63544, 65236, 72176, 79430, 81545, 90220, 117286, 127088, 130472, 158860, 163090, 180440, 212017, 234572, 260944, 293215, 317720, 326180, 360880, 424034, 469144, 586430, 635440, 652360, 848068, 938288, 1060085, 1172860, 1304720, 1696136, 2120170, 2345720, 2756221, 3392272, 4240340, 4691440, 5512442, 8480680, 11024884, 13781105, 16961360, 22049768, 27562210, 44099536, 55124420, 110248840, 220497680]

約数ペア:

[(1, 220497680), (2, 110248840), (4, 55124420), (5, 44099536), (8, 27562210), (10, 22049768), (13, 16961360), (16, 13781105), (20, 11024884), (26, 8480680), (40, 5512442), (47, 4691440), (52, 4240340), (65, 3392272), (80, 2756221), (94, 2345720), (104, 2120170), (130, 1696136), (169, 1304720), (188, 1172860), (208, 1060085), (235, 938288), (260, 848068), (338, 652360), (347, 635440), (376, 586430), (470, 469144), (520, 424034), (611, 360880), (676, 326180), (694, 317720), (752, 293215), (845, 260944), (940, 234572), (1040, 212017), (1222, 180440), (1352, 163090), (1388, 158860), (1690, 130472), (1735, 127088), (1880, 117286), (2444, 90220), (2704, 81545), (2776, 79430), (3055, 72176), (3380, 65236), (3470, 63544), (3760, 58643), (4511, 48880), (4888, 45110), (5552, 39715), (6110, 36088), (6760, 32618), (6940, 31772), (7943, 27760), (9022, 24440), (9776, 22555), (12220, 18044), (13520, 16309), (13880, 15886)]