891015860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 2287668096

約数和(自身を除く): 1396652236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 53, 70, 92, 106, 115, 140, 161, 212, 227, 230, 265, 322, 371, 454, 460, 529, 530, 644, 742, 805, 908, 1058, 1060, 1135, 1219, 1484, 1589, 1610, 1855, 2116, 2270, 2438, 2645, 3178, 3220, 3703, 3710, 4540, 4876, 5221, 5290, 6095, 6356, 7406, 7420, 7945, 8533, 10442, 10580, 12031, 12190, 14812, 15890, 17066, 18515, 20884, 24062, 24380, 26105, 28037, 31780, 34132, 36547, 37030, 42665, 48124, 52210, 56074, 60155, 73094, 74060, 84217, 85330, 104420, 112148, 120083, 120310, 140185, 146188, 168434, 170660, 182735, 196259, 240166, 240620, 276713, 280370, 336868, 365470, 392518, 421085, 480332, 553426, 560740, 600415, 730940, 785036, 840581, 842170, 981295, 1106852, 1200830, 1383565, 1681162, 1684340, 1936991, 1962590, 2401660, 2767130, 3362324, 3873982, 3925180, 4202905, 5534260, 6364399, 7747964, 8405810, 9684955, 12728798, 16811620, 19369910, 25457596, 31821995, 38739820, 44550793, 63643990, 89101586, 127287980, 178203172, 222753965, 445507930, 891015860]

約数ペア:

[(1, 891015860), (2, 445507930), (4, 222753965), (5, 178203172), (7, 127287980), (10, 89101586), (14, 63643990), (20, 44550793), (23, 38739820), (28, 31821995), (35, 25457596), (46, 19369910), (53, 16811620), (70, 12728798), (92, 9684955), (106, 8405810), (115, 7747964), (140, 6364399), (161, 5534260), (212, 4202905), (227, 3925180), (230, 3873982), (265, 3362324), (322, 2767130), (371, 2401660), (454, 1962590), (460, 1936991), (529, 1684340), (530, 1681162), (644, 1383565), (742, 1200830), (805, 1106852), (908, 981295), (1058, 842170), (1060, 840581), (1135, 785036), (1219, 730940), (1484, 600415), (1589, 560740), (1610, 553426), (1855, 480332), (2116, 421085), (2270, 392518), (2438, 365470), (2645, 336868), (3178, 280370), (3220, 276713), (3703, 240620), (3710, 240166), (4540, 196259), (4876, 182735), (5221, 170660), (5290, 168434), (6095, 146188), (6356, 140185), (7406, 120310), (7420, 120083), (7945, 112148), (8533, 104420), (10442, 85330), (10580, 84217), (12031, 74060), (12190, 73094), (14812, 60155), (15890, 56074), (17066, 52210), (18515, 48124), (20884, 42665), (24062, 37030), (24380, 36547), (26105, 34132), (28037, 31780)]