400957860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 1155772800

約数和(自身を除く): 754814940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 389, 410, 419, 492, 615, 778, 820, 838, 1167, 1230, 1257, 1556, 1676, 1945, 2095, 2334, 2460, 2514, 3890, 4190, 4668, 5028, 5835, 6285, 7780, 8380, 11670, 12570, 15949, 17179, 23340, 25140, 31898, 34358, 47847, 51537, 63796, 68716, 79745, 85895, 95694, 103074, 159490, 162991, 171790, 191388, 206148, 239235, 257685, 318980, 325982, 343580, 478470, 488973, 515370, 651964, 814955, 956940, 977946, 1030740, 1629910, 1955892, 2444865, 3259820, 4889730, 6682631, 9779460, 13365262, 20047893, 26730524, 33413155, 40095786, 66826310, 80191572, 100239465, 133652620, 200478930, 400957860]

約数ペア:

[(1, 400957860), (2, 200478930), (3, 133652620), (4, 100239465), (5, 80191572), (6, 66826310), (10, 40095786), (12, 33413155), (15, 26730524), (20, 20047893), (30, 13365262), (41, 9779460), (60, 6682631), (82, 4889730), (123, 3259820), (164, 2444865), (205, 1955892), (246, 1629910), (389, 1030740), (410, 977946), (419, 956940), (492, 814955), (615, 651964), (778, 515370), (820, 488973), (838, 478470), (1167, 343580), (1230, 325982), (1257, 318980), (1556, 257685), (1676, 239235), (1945, 206148), (2095, 191388), (2334, 171790), (2460, 162991), (2514, 159490), (3890, 103074), (4190, 95694), (4668, 85895), (5028, 79745), (5835, 68716), (6285, 63796), (7780, 51537), (8380, 47847), (11670, 34358), (12570, 31898), (15949, 25140), (17179, 23340)]