1123220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 2757888

約数和(自身を除く): 1634668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 113, 140, 142, 226, 284, 355, 452, 497, 565, 710, 791, 994, 1130, 1420, 1582, 1988, 2260, 2485, 3164, 3955, 4970, 7910, 8023, 9940, 15820, 16046, 32092, 40115, 56161, 80230, 112322, 160460, 224644, 280805, 561610, 1123220]

約数ペア:

[(1, 1123220), (2, 561610), (4, 280805), (5, 224644), (7, 160460), (10, 112322), (14, 80230), (20, 56161), (28, 40115), (35, 32092), (70, 16046), (71, 15820), (113, 9940), (140, 8023), (142, 7910), (226, 4970), (284, 3955), (355, 3164), (452, 2485), (497, 2260), (565, 1988), (710, 1582), (791, 1420), (994, 1130)]