228799220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28387}}^1$

素因数の和:28440

約数の個数: 48

約数和(自身を含む): 534148608

約数和(自身を除く): 305349388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 28387, 56774, 113548, 141935, 283870, 369031, 567740, 738062, 879997, 1476124, 1759994, 1845155, 3519988, 3690310, 4399985, 7380620, 8799970, 11439961, 17599940, 22879922, 45759844, 57199805, 114399610, 228799220]

約数ペア:

[(1, 228799220), (2, 114399610), (4, 57199805), (5, 45759844), (10, 22879922), (13, 17599940), (20, 11439961), (26, 8799970), (31, 7380620), (52, 4399985), (62, 3690310), (65, 3519988), (124, 1845155), (130, 1759994), (155, 1476124), (260, 879997), (310, 738062), (403, 567740), (620, 369031), (806, 283870), (1612, 141935), (2015, 113548), (4030, 56774), (8060, 28387)]