2405820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 6820128

約数和(自身を除く): 4414308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 397, 404, 505, 606, 794, 1010, 1191, 1212, 1515, 1588, 1985, 2020, 2382, 3030, 3970, 4764, 5955, 6060, 7940, 11910, 23820, 40097, 80194, 120291, 160388, 200485, 240582, 400970, 481164, 601455, 801940, 1202910, 2405820]

約数ペア:

[(1, 2405820), (2, 1202910), (3, 801940), (4, 601455), (5, 481164), (6, 400970), (10, 240582), (12, 200485), (15, 160388), (20, 120291), (30, 80194), (60, 40097), (101, 23820), (202, 11910), (303, 7940), (397, 6060), (404, 5955), (505, 4764), (606, 3970), (794, 3030), (1010, 2382), (1191, 2020), (1212, 1985), (1515, 1588)]