263754643820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1097423}}^1$

素因数の和:1097690

約数の個数: 48

約数和(自身を含む): 565823035008

約数和(自身を除く): 302068391188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 197, 244, 305, 394, 610, 788, 985, 1220, 1970, 3940, 12017, 24034, 48068, 60085, 120170, 240340, 1097423, 2194846, 4389692, 5487115, 10974230, 21948460, 66942803, 133885606, 216192331, 267771212, 334714015, 432384662, 669428030, 864769324, 1080961655, 1338856060, 2161923310, 4323846620, 13187732191, 26375464382, 52750928764, 65938660955, 131877321910, 263754643820]

約数ペア:

[(1, 263754643820), (2, 131877321910), (4, 65938660955), (5, 52750928764), (10, 26375464382), (20, 13187732191), (61, 4323846620), (122, 2161923310), (197, 1338856060), (244, 1080961655), (305, 864769324), (394, 669428030), (610, 432384662), (788, 334714015), (985, 267771212), (1220, 216192331), (1970, 133885606), (3940, 66942803), (12017, 21948460), (24034, 10974230), (48068, 5487115), (60085, 4389692), (120170, 2194846), (240340, 1097423)]