287120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 692664

約数和(自身を除く): 405544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 148, 185, 194, 296, 370, 388, 485, 592, 740, 776, 970, 1480, 1552, 1940, 2960, 3589, 3880, 7178, 7760, 14356, 17945, 28712, 35890, 57424, 71780, 143560, 287120]

約数ペア:

[(1, 287120), (2, 143560), (4, 71780), (5, 57424), (8, 35890), (10, 28712), (16, 17945), (20, 14356), (37, 7760), (40, 7178), (74, 3880), (80, 3589), (97, 2960), (148, 1940), (185, 1552), (194, 1480), (296, 970), (370, 776), (388, 740), (485, 592)]