221569480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4889}}^1$

素因数の和:5014

約数の個数: 64

約数和(自身を含む): 549244800

約数和(自身を除く): 327675320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 2060, 2266, 4120, 4532, 4889, 5665, 9064, 9778, 11330, 19556, 22660, 24445, 39112, 45320, 48890, 53779, 97780, 107558, 195560, 215116, 268895, 430232, 503567, 537790, 1007134, 1075580, 2014268, 2151160, 2517835, 4028536, 5035670, 5539237, 10071340, 11078474, 20142680, 22156948, 27696185, 44313896, 55392370, 110784740, 221569480]

約数ペア:

[(1, 221569480), (2, 110784740), (4, 55392370), (5, 44313896), (8, 27696185), (10, 22156948), (11, 20142680), (20, 11078474), (22, 10071340), (40, 5539237), (44, 5035670), (55, 4028536), (88, 2517835), (103, 2151160), (110, 2014268), (206, 1075580), (220, 1007134), (412, 537790), (440, 503567), (515, 430232), (824, 268895), (1030, 215116), (1133, 195560), (2060, 107558), (2266, 97780), (4120, 53779), (4532, 48890), (4889, 45320), (5665, 39112), (9064, 24445), (9778, 22660), (11330, 19556)]