1254758440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{141941}}^1$

素因数の和:141982

約数の個数: 64

約数和(自身を含む): 3219244560

約数和(自身を除く): 1964486120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 141941, 283882, 567764, 709705, 1135528, 1419410, 1845233, 2412997, 2838820, 3690466, 4825994, 5677640, 7380932, 9226165, 9651988, 12064985, 14761864, 18452330, 19303976, 24129970, 31368961, 36904660, 48259940, 62737922, 73809320, 96519880, 125475844, 156844805, 250951688, 313689610, 627379220, 1254758440]

約数ペア:

[(1, 1254758440), (2, 627379220), (4, 313689610), (5, 250951688), (8, 156844805), (10, 125475844), (13, 96519880), (17, 73809320), (20, 62737922), (26, 48259940), (34, 36904660), (40, 31368961), (52, 24129970), (65, 19303976), (68, 18452330), (85, 14761864), (104, 12064985), (130, 9651988), (136, 9226165), (170, 7380932), (221, 5677640), (260, 4825994), (340, 3690466), (442, 2838820), (520, 2412997), (680, 1845233), (884, 1419410), (1105, 1135528), (1768, 709705), (2210, 567764), (4420, 283882), (8840, 141941)]