28817360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 79656360

約数和(自身を除く): 50839000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 229, 242, 260, 286, 440, 458, 484, 520, 572, 605, 715, 880, 916, 968, 1040, 1144, 1145, 1210, 1430, 1573, 1832, 1936, 2288, 2290, 2420, 2519, 2860, 2977, 3146, 3664, 4580, 4840, 5038, 5720, 5954, 6292, 7865, 9160, 9680, 10076, 11440, 11908, 12584, 12595, 14885, 15730, 18320, 20152, 23816, 25168, 25190, 27709, 29770, 31460, 32747, 40304, 47632, 50380, 55418, 59540, 62920, 65494, 100760, 110836, 119080, 125840, 130988, 138545, 163735, 201520, 221672, 238160, 261976, 277090, 327470, 360217, 443344, 523952, 554180, 654940, 720434, 1108360, 1309880, 1440868, 1801085, 2216720, 2619760, 2881736, 3602170, 5763472, 7204340, 14408680, 28817360]

約数ペア:

[(1, 28817360), (2, 14408680), (4, 7204340), (5, 5763472), (8, 3602170), (10, 2881736), (11, 2619760), (13, 2216720), (16, 1801085), (20, 1440868), (22, 1309880), (26, 1108360), (40, 720434), (44, 654940), (52, 554180), (55, 523952), (65, 443344), (80, 360217), (88, 327470), (104, 277090), (110, 261976), (121, 238160), (130, 221672), (143, 201520), (176, 163735), (208, 138545), (220, 130988), (229, 125840), (242, 119080), (260, 110836), (286, 100760), (440, 65494), (458, 62920), (484, 59540), (520, 55418), (572, 50380), (605, 47632), (715, 40304), (880, 32747), (916, 31460), (968, 29770), (1040, 27709), (1144, 25190), (1145, 25168), (1210, 23816), (1430, 20152), (1573, 18320), (1832, 15730), (1936, 14885), (2288, 12595), (2290, 12584), (2420, 11908), (2519, 11440), (2860, 10076), (2977, 9680), (3146, 9160), (3664, 7865), (4580, 6292), (4840, 5954), (5038, 5720)]