1489880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 4069440

約数和(自身を除く): 2579560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 313, 340, 476, 595, 626, 680, 952, 1190, 1252, 1565, 2191, 2380, 2504, 3130, 4382, 4760, 5321, 6260, 8764, 10642, 10955, 12520, 17528, 21284, 21910, 26605, 37247, 42568, 43820, 53210, 74494, 87640, 106420, 148988, 186235, 212840, 297976, 372470, 744940, 1489880]

約数ペア:

[(1, 1489880), (2, 744940), (4, 372470), (5, 297976), (7, 212840), (8, 186235), (10, 148988), (14, 106420), (17, 87640), (20, 74494), (28, 53210), (34, 43820), (35, 42568), (40, 37247), (56, 26605), (68, 21910), (70, 21284), (85, 17528), (119, 12520), (136, 10955), (140, 10642), (170, 8764), (238, 6260), (280, 5321), (313, 4760), (340, 4382), (476, 3130), (595, 2504), (626, 2380), (680, 2191), (952, 1565), (1190, 1252)]