97717820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 213343200

約数和(自身を除く): 115625380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 509, 580, 662, 1018, 1324, 1655, 2036, 2545, 3310, 5090, 6620, 9599, 10180, 14761, 19198, 29522, 38396, 47995, 59044, 73805, 95990, 147610, 168479, 191980, 295220, 336958, 673916, 842395, 1684790, 3369580, 4885891, 9771782, 19543564, 24429455, 48858910, 97717820]

約数ペア:

[(1, 97717820), (2, 48858910), (4, 24429455), (5, 19543564), (10, 9771782), (20, 4885891), (29, 3369580), (58, 1684790), (116, 842395), (145, 673916), (290, 336958), (331, 295220), (509, 191980), (580, 168479), (662, 147610), (1018, 95990), (1324, 73805), (1655, 59044), (2036, 47995), (2545, 38396), (3310, 29522), (5090, 19198), (6620, 14761), (9599, 10180)]