428344240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 1074431232

約数和(自身を除く): 646086992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 191, 194, 272, 289, 340, 382, 388, 485, 578, 680, 764, 776, 955, 970, 1156, 1360, 1445, 1528, 1552, 1649, 1910, 1940, 2312, 2890, 3056, 3247, 3298, 3820, 3880, 4624, 5780, 6494, 6596, 7640, 7760, 8245, 11560, 12988, 13192, 15280, 16235, 16490, 18527, 23120, 25976, 26384, 28033, 32470, 32980, 37054, 51952, 55199, 56066, 64940, 65960, 74108, 92635, 110398, 112132, 129880, 131920, 140165, 148216, 185270, 220796, 224264, 259760, 275995, 280330, 296432, 314959, 370540, 441592, 448528, 551990, 560660, 629918, 741080, 883184, 1103980, 1121320, 1259836, 1482160, 1574795, 2207960, 2242640, 2519672, 3149590, 4415920, 5039344, 5354303, 6299180, 10708606, 12598360, 21417212, 25196720, 26771515, 42834424, 53543030, 85668848, 107086060, 214172120, 428344240]

約数ペア:

[(1, 428344240), (2, 214172120), (4, 107086060), (5, 85668848), (8, 53543030), (10, 42834424), (16, 26771515), (17, 25196720), (20, 21417212), (34, 12598360), (40, 10708606), (68, 6299180), (80, 5354303), (85, 5039344), (97, 4415920), (136, 3149590), (170, 2519672), (191, 2242640), (194, 2207960), (272, 1574795), (289, 1482160), (340, 1259836), (382, 1121320), (388, 1103980), (485, 883184), (578, 741080), (680, 629918), (764, 560660), (776, 551990), (955, 448528), (970, 441592), (1156, 370540), (1360, 314959), (1445, 296432), (1528, 280330), (1552, 275995), (1649, 259760), (1910, 224264), (1940, 220796), (2312, 185270), (2890, 148216), (3056, 140165), (3247, 131920), (3298, 129880), (3820, 112132), (3880, 110398), (4624, 92635), (5780, 74108), (6494, 65960), (6596, 64940), (7640, 56066), (7760, 55199), (8245, 51952), (11560, 37054), (12988, 32980), (13192, 32470), (15280, 28033), (16235, 26384), (16490, 25976), (18527, 23120)]