250737920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 635765760

約数和(自身を除く): 385027840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 89, 124, 128, 142, 155, 160, 178, 248, 256, 284, 310, 320, 355, 356, 445, 496, 568, 620, 640, 710, 712, 890, 992, 1136, 1240, 1280, 1420, 1424, 1780, 1984, 2201, 2272, 2480, 2759, 2840, 2848, 3560, 3968, 4402, 4544, 4960, 5518, 5680, 5696, 6319, 7120, 7936, 8804, 9088, 9920, 11005, 11036, 11360, 11392, 12638, 13795, 14240, 17608, 18176, 19840, 22010, 22072, 22720, 22784, 25276, 27590, 28480, 31595, 35216, 39680, 44020, 44144, 45440, 50552, 55180, 56960, 63190, 70432, 88040, 88288, 90880, 101104, 110360, 113920, 126380, 140864, 176080, 176576, 195889, 202208, 220720, 252760, 281728, 352160, 353152, 391778, 404416, 441440, 505520, 563456, 704320, 706304, 783556, 808832, 882880, 979445, 1011040, 1408640, 1567112, 1617664, 1765760, 1958890, 2022080, 2817280, 3134224, 3531520, 3917780, 4044160, 6268448, 7835560, 8088320, 12536896, 15671120, 25073792, 31342240, 50147584, 62684480, 125368960, 250737920]

約数ペア:

[(1, 250737920), (2, 125368960), (4, 62684480), (5, 50147584), (8, 31342240), (10, 25073792), (16, 15671120), (20, 12536896), (31, 8088320), (32, 7835560), (40, 6268448), (62, 4044160), (64, 3917780), (71, 3531520), (80, 3134224), (89, 2817280), (124, 2022080), (128, 1958890), (142, 1765760), (155, 1617664), (160, 1567112), (178, 1408640), (248, 1011040), (256, 979445), (284, 882880), (310, 808832), (320, 783556), (355, 706304), (356, 704320), (445, 563456), (496, 505520), (568, 441440), (620, 404416), (640, 391778), (710, 353152), (712, 352160), (890, 281728), (992, 252760), (1136, 220720), (1240, 202208), (1280, 195889), (1420, 176576), (1424, 176080), (1780, 140864), (1984, 126380), (2201, 113920), (2272, 110360), (2480, 101104), (2759, 90880), (2840, 88288), (2848, 88040), (3560, 70432), (3968, 63190), (4402, 56960), (4544, 55180), (4960, 50552), (5518, 45440), (5680, 44144), (5696, 44020), (6319, 39680), (7120, 35216), (7936, 31595), (8804, 28480), (9088, 27590), (9920, 25276), (11005, 22784), (11036, 22720), (11360, 22072), (11392, 22010), (12638, 19840), (13795, 18176), (14240, 17608)]