1298440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 3447360

約数和(自身を除く): 2148920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 227, 260, 286, 440, 454, 520, 572, 715, 908, 1135, 1144, 1430, 1816, 2270, 2497, 2860, 2951, 4540, 4994, 5720, 5902, 9080, 9988, 11804, 12485, 14755, 19976, 23608, 24970, 29510, 32461, 49940, 59020, 64922, 99880, 118040, 129844, 162305, 259688, 324610, 649220, 1298440]

約数ペア:

[(1, 1298440), (2, 649220), (4, 324610), (5, 259688), (8, 162305), (10, 129844), (11, 118040), (13, 99880), (20, 64922), (22, 59020), (26, 49940), (40, 32461), (44, 29510), (52, 24970), (55, 23608), (65, 19976), (88, 14755), (104, 12485), (110, 11804), (130, 9988), (143, 9080), (220, 5902), (227, 5720), (260, 4994), (286, 4540), (440, 2951), (454, 2860), (520, 2497), (572, 2270), (715, 1816), (908, 1430), (1135, 1144)]