221323260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{463}}^1$

素因数の和:763

約数の個数: 96

約数和(自身を含む): 643571712

約数和(自身を除く): 422248452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 257, 310, 372, 463, 465, 514, 620, 771, 926, 930, 1028, 1285, 1389, 1542, 1852, 1860, 2315, 2570, 2778, 3084, 3855, 4630, 5140, 5556, 6945, 7710, 7967, 9260, 13890, 14353, 15420, 15934, 23901, 27780, 28706, 31868, 39835, 43059, 47802, 57412, 71765, 79670, 86118, 95604, 118991, 119505, 143530, 159340, 172236, 215295, 237982, 239010, 287060, 356973, 430590, 475964, 478020, 594955, 713946, 861180, 1189910, 1427892, 1784865, 2379820, 3569730, 3688721, 7139460, 7377442, 11066163, 14754884, 18443605, 22132326, 36887210, 44264652, 55330815, 73774420, 110661630, 221323260]

約数ペア:

[(1, 221323260), (2, 110661630), (3, 73774420), (4, 55330815), (5, 44264652), (6, 36887210), (10, 22132326), (12, 18443605), (15, 14754884), (20, 11066163), (30, 7377442), (31, 7139460), (60, 3688721), (62, 3569730), (93, 2379820), (124, 1784865), (155, 1427892), (186, 1189910), (257, 861180), (310, 713946), (372, 594955), (463, 478020), (465, 475964), (514, 430590), (620, 356973), (771, 287060), (926, 239010), (930, 237982), (1028, 215295), (1285, 172236), (1389, 159340), (1542, 143530), (1852, 119505), (1860, 118991), (2315, 95604), (2570, 86118), (2778, 79670), (3084, 71765), (3855, 57412), (4630, 47802), (5140, 43059), (5556, 39835), (6945, 31868), (7710, 28706), (7967, 27780), (9260, 23901), (13890, 15934), (14353, 15420)]