221457540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2569

約数の個数: 96

約数和(自身を含む): 661248000

約数和(自身を除く): 439790460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 79, 95, 114, 158, 190, 228, 237, 285, 316, 380, 395, 474, 570, 790, 948, 1140, 1185, 1501, 1580, 2370, 2459, 3002, 4503, 4740, 4918, 6004, 7377, 7505, 9006, 9836, 12295, 14754, 15010, 18012, 22515, 24590, 29508, 30020, 36885, 45030, 46721, 49180, 73770, 90060, 93442, 140163, 147540, 186884, 194261, 233605, 280326, 388522, 467210, 560652, 582783, 700815, 777044, 934420, 971305, 1165566, 1401630, 1942610, 2331132, 2803260, 2913915, 3690959, 3885220, 5827830, 7381918, 11072877, 11655660, 14763836, 18454795, 22145754, 36909590, 44291508, 55364385, 73819180, 110728770, 221457540]

約数ペア:

[(1, 221457540), (2, 110728770), (3, 73819180), (4, 55364385), (5, 44291508), (6, 36909590), (10, 22145754), (12, 18454795), (15, 14763836), (19, 11655660), (20, 11072877), (30, 7381918), (38, 5827830), (57, 3885220), (60, 3690959), (76, 2913915), (79, 2803260), (95, 2331132), (114, 1942610), (158, 1401630), (190, 1165566), (228, 971305), (237, 934420), (285, 777044), (316, 700815), (380, 582783), (395, 560652), (474, 467210), (570, 388522), (790, 280326), (948, 233605), (1140, 194261), (1185, 186884), (1501, 147540), (1580, 140163), (2370, 93442), (2459, 90060), (3002, 73770), (4503, 49180), (4740, 46721), (4918, 45030), (6004, 36885), (7377, 30020), (7505, 29508), (9006, 24590), (9836, 22515), (12295, 18012), (14754, 15010)]