217071750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 625397760

約数和(自身を除く): 408326010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 173, 175, 210, 239, 250, 346, 350, 375, 478, 519, 525, 717, 750, 865, 875, 1038, 1050, 1195, 1211, 1434, 1673, 1730, 1750, 2390, 2422, 2595, 2625, 3346, 3585, 3633, 4325, 5019, 5190, 5250, 5975, 6055, 7170, 7266, 8365, 8650, 10038, 11950, 12110, 12975, 16730, 17925, 18165, 21625, 25095, 25950, 29875, 30275, 35850, 36330, 41347, 41825, 43250, 50190, 59750, 60550, 64875, 82694, 83650, 89625, 90825, 124041, 125475, 129750, 151375, 179250, 181650, 206735, 209125, 248082, 250950, 289429, 302750, 413470, 418250, 454125, 578858, 620205, 627375, 868287, 908250, 1033675, 1240410, 1254750, 1447145, 1736574, 2067350, 2894290, 3101025, 4341435, 5168375, 6202050, 7235725, 8682870, 10336750, 14471450, 15505125, 21707175, 31010250, 36178625, 43414350, 72357250, 108535875, 217071750]

約数ペア:

[(1, 217071750), (2, 108535875), (3, 72357250), (5, 43414350), (6, 36178625), (7, 31010250), (10, 21707175), (14, 15505125), (15, 14471450), (21, 10336750), (25, 8682870), (30, 7235725), (35, 6202050), (42, 5168375), (50, 4341435), (70, 3101025), (75, 2894290), (105, 2067350), (125, 1736574), (150, 1447145), (173, 1254750), (175, 1240410), (210, 1033675), (239, 908250), (250, 868287), (346, 627375), (350, 620205), (375, 578858), (478, 454125), (519, 418250), (525, 413470), (717, 302750), (750, 289429), (865, 250950), (875, 248082), (1038, 209125), (1050, 206735), (1195, 181650), (1211, 179250), (1434, 151375), (1673, 129750), (1730, 125475), (1750, 124041), (2390, 90825), (2422, 89625), (2595, 83650), (2625, 82694), (3346, 64875), (3585, 60550), (3633, 59750), (4325, 50190), (5019, 43250), (5190, 41825), (5250, 41347), (5975, 36330), (6055, 35850), (7170, 30275), (7266, 29875), (8365, 25950), (8650, 25095), (10038, 21625), (11950, 18165), (12110, 17925), (12975, 16730)]