219946480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3467}}^1$

素因数の和:3554

約数の個数: 80

約数和(自身を含む): 559901664

約数和(自身を除く): 339955184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3467, 3965, 4880, 6344, 6934, 7930, 12688, 13868, 15860, 17335, 27736, 31720, 34670, 45071, 55472, 63440, 69340, 90142, 138680, 180284, 211487, 225355, 277360, 360568, 422974, 450710, 721136, 845948, 901420, 1057435, 1691896, 1802840, 2114870, 2749331, 3383792, 3605680, 4229740, 5498662, 8459480, 10997324, 13746655, 16918960, 21994648, 27493310, 43989296, 54986620, 109973240, 219946480]

約数ペア:

[(1, 219946480), (2, 109973240), (4, 54986620), (5, 43989296), (8, 27493310), (10, 21994648), (13, 16918960), (16, 13746655), (20, 10997324), (26, 8459480), (40, 5498662), (52, 4229740), (61, 3605680), (65, 3383792), (80, 2749331), (104, 2114870), (122, 1802840), (130, 1691896), (208, 1057435), (244, 901420), (260, 845948), (305, 721136), (488, 450710), (520, 422974), (610, 360568), (793, 277360), (976, 225355), (1040, 211487), (1220, 180284), (1586, 138680), (2440, 90142), (3172, 69340), (3467, 63440), (3965, 55472), (4880, 45071), (6344, 34670), (6934, 31720), (7930, 27736), (12688, 17335), (13868, 15860)]