320445650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 712990080

約数和(自身を除く): 392544430

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 131, 145, 175, 203, 241, 262, 290, 350, 406, 482, 655, 725, 917, 1015, 1205, 1310, 1450, 1687, 1834, 2030, 2410, 3275, 3374, 3799, 4585, 5075, 6025, 6550, 6989, 7598, 8435, 9170, 10150, 12050, 13978, 16870, 18995, 22925, 26593, 31571, 34945, 37990, 42175, 45850, 48923, 53186, 63142, 69890, 84350, 94975, 97846, 132965, 157855, 174725, 189950, 220997, 244615, 265930, 315710, 349450, 441994, 489230, 664825, 789275, 915559, 1104985, 1223075, 1329650, 1578550, 1831118, 2209970, 2446150, 4577795, 5524925, 6408913, 9155590, 11049850, 12817826, 22888975, 32044565, 45777950, 64089130, 160222825, 320445650]

約数ペア:

[(1, 320445650), (2, 160222825), (5, 64089130), (7, 45777950), (10, 32044565), (14, 22888975), (25, 12817826), (29, 11049850), (35, 9155590), (50, 6408913), (58, 5524925), (70, 4577795), (131, 2446150), (145, 2209970), (175, 1831118), (203, 1578550), (241, 1329650), (262, 1223075), (290, 1104985), (350, 915559), (406, 789275), (482, 664825), (655, 489230), (725, 441994), (917, 349450), (1015, 315710), (1205, 265930), (1310, 244615), (1450, 220997), (1687, 189950), (1834, 174725), (2030, 157855), (2410, 132965), (3275, 97846), (3374, 94975), (3799, 84350), (4585, 69890), (5075, 63142), (6025, 53186), (6550, 48923), (6989, 45850), (7598, 42175), (8435, 37990), (9170, 34945), (10150, 31571), (12050, 26593), (13978, 22925), (16870, 18995)]