227187220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 539191296

約数和(自身を除く): 312004076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 124, 130, 142, 155, 260, 284, 310, 355, 397, 403, 620, 710, 794, 806, 923, 1420, 1588, 1612, 1846, 1985, 2015, 2201, 3692, 3970, 4030, 4402, 4615, 5161, 7940, 8060, 8804, 9230, 10322, 11005, 12307, 18460, 20644, 22010, 24614, 25805, 28187, 28613, 44020, 49228, 51610, 56374, 57226, 61535, 103220, 112748, 114452, 123070, 140935, 143065, 159991, 246140, 281870, 286130, 319982, 366431, 563740, 572260, 639964, 732862, 799955, 873797, 1465724, 1599910, 1747594, 1832155, 3199820, 3495188, 3664310, 4368985, 7328620, 8737970, 11359361, 17475940, 22718722, 45437444, 56796805, 113593610, 227187220]

約数ペア:

[(1, 227187220), (2, 113593610), (4, 56796805), (5, 45437444), (10, 22718722), (13, 17475940), (20, 11359361), (26, 8737970), (31, 7328620), (52, 4368985), (62, 3664310), (65, 3495188), (71, 3199820), (124, 1832155), (130, 1747594), (142, 1599910), (155, 1465724), (260, 873797), (284, 799955), (310, 732862), (355, 639964), (397, 572260), (403, 563740), (620, 366431), (710, 319982), (794, 286130), (806, 281870), (923, 246140), (1420, 159991), (1588, 143065), (1612, 140935), (1846, 123070), (1985, 114452), (2015, 112748), (2201, 103220), (3692, 61535), (3970, 57226), (4030, 56374), (4402, 51610), (4615, 49228), (5161, 44020), (7940, 28613), (8060, 28187), (8804, 25805), (9230, 24614), (10322, 22010), (11005, 20644), (12307, 18460)]