407721920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1858

約数の個数: 112

約数和(自身を含む): 1046366208

約数和(自身を除く): 638644288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 713, 736, 920, 992, 1240, 1426, 1472, 1787, 1840, 1984, 2480, 2852, 3565, 3574, 3680, 4960, 5704, 7130, 7148, 7360, 8935, 9920, 11408, 14260, 14296, 17870, 22816, 28520, 28592, 35740, 41101, 45632, 55397, 57040, 57184, 71480, 82202, 110794, 114080, 114368, 142960, 164404, 205505, 221588, 228160, 276985, 285920, 328808, 411010, 443176, 553970, 571840, 657616, 822020, 886352, 1107940, 1274131, 1315232, 1644040, 1772704, 2215880, 2548262, 2630464, 3288080, 3545408, 4431760, 5096524, 6370655, 6576160, 8863520, 10193048, 12741310, 13152320, 17727040, 20386096, 25482620, 40772192, 50965240, 81544384, 101930480, 203860960, 407721920]

約数ペア:

[(1, 407721920), (2, 203860960), (4, 101930480), (5, 81544384), (8, 50965240), (10, 40772192), (16, 25482620), (20, 20386096), (23, 17727040), (31, 13152320), (32, 12741310), (40, 10193048), (46, 8863520), (62, 6576160), (64, 6370655), (80, 5096524), (92, 4431760), (115, 3545408), (124, 3288080), (155, 2630464), (160, 2548262), (184, 2215880), (230, 1772704), (248, 1644040), (310, 1315232), (320, 1274131), (368, 1107940), (460, 886352), (496, 822020), (620, 657616), (713, 571840), (736, 553970), (920, 443176), (992, 411010), (1240, 328808), (1426, 285920), (1472, 276985), (1787, 228160), (1840, 221588), (1984, 205505), (2480, 164404), (2852, 142960), (3565, 114368), (3574, 114080), (3680, 110794), (4960, 82202), (5704, 71480), (7130, 57184), (7148, 57040), (7360, 55397), (8935, 45632), (9920, 41101), (11408, 35740), (14260, 28592), (14296, 28520), (17870, 22816)]