28369770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 84913920

約数和(自身を除く): 56544150

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 30, 33, 34, 39, 51, 55, 65, 66, 78, 85, 102, 110, 130, 143, 165, 170, 187, 195, 221, 255, 286, 330, 374, 389, 390, 429, 442, 510, 561, 663, 715, 778, 858, 935, 1105, 1122, 1167, 1326, 1430, 1870, 1945, 2145, 2210, 2334, 2431, 2805, 3315, 3890, 4279, 4290, 4862, 5057, 5610, 5835, 6613, 6630, 7293, 8558, 10114, 11670, 12155, 12837, 13226, 14586, 15171, 19839, 21395, 24310, 25285, 25674, 30342, 33065, 36465, 39678, 42790, 50570, 55627, 64185, 66130, 72743, 72930, 75855, 85969, 99195, 111254, 128370, 145486, 151710, 166881, 171938, 198390, 218229, 257907, 278135, 333762, 363715, 429845, 436458, 515814, 556270, 727430, 834405, 859690, 945659, 1091145, 1289535, 1668810, 1891318, 2182290, 2579070, 2836977, 4728295, 5673954, 9456590, 14184885, 28369770]

約数ペア:

[(1, 28369770), (2, 14184885), (3, 9456590), (5, 5673954), (6, 4728295), (10, 2836977), (11, 2579070), (13, 2182290), (15, 1891318), (17, 1668810), (22, 1289535), (26, 1091145), (30, 945659), (33, 859690), (34, 834405), (39, 727430), (51, 556270), (55, 515814), (65, 436458), (66, 429845), (78, 363715), (85, 333762), (102, 278135), (110, 257907), (130, 218229), (143, 198390), (165, 171938), (170, 166881), (187, 151710), (195, 145486), (221, 128370), (255, 111254), (286, 99195), (330, 85969), (374, 75855), (389, 72930), (390, 72743), (429, 66130), (442, 64185), (510, 55627), (561, 50570), (663, 42790), (715, 39678), (778, 36465), (858, 33065), (935, 30342), (1105, 25674), (1122, 25285), (1167, 24310), (1326, 21395), (1430, 19839), (1870, 15171), (1945, 14586), (2145, 13226), (2210, 12837), (2334, 12155), (2431, 11670), (2805, 10114), (3315, 8558), (3890, 7293), (4279, 6630), (4290, 6613), (4862, 5835), (5057, 5610)]