251000800

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 144

約数和(自身を含む): 656208000

約数和(自身を除く): 405207200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 32, 40, 50, 58, 62, 80, 100, 116, 124, 145, 155, 160, 200, 232, 248, 290, 310, 349, 400, 464, 496, 580, 620, 698, 725, 775, 800, 899, 928, 992, 1160, 1240, 1396, 1450, 1550, 1745, 1798, 2320, 2480, 2792, 2900, 3100, 3490, 3596, 4495, 4640, 4960, 5584, 5800, 6200, 6980, 7192, 8725, 8990, 10121, 10819, 11168, 11600, 12400, 13960, 14384, 17450, 17980, 20242, 21638, 22475, 23200, 24800, 27920, 28768, 34900, 35960, 40484, 43276, 44950, 50605, 54095, 55840, 69800, 71920, 80968, 86552, 89900, 101210, 108190, 139600, 143840, 161936, 173104, 179800, 202420, 216380, 253025, 270475, 279200, 313751, 323872, 346208, 359600, 404840, 432760, 506050, 540950, 627502, 719200, 809680, 865520, 1012100, 1081900, 1255004, 1568755, 1619360, 1731040, 2024200, 2163800, 2510008, 3137510, 4048400, 4327600, 5020016, 6275020, 7843775, 8096800, 8655200, 10040032, 12550040, 15687550, 25100080, 31375100, 50200160, 62750200, 125500400, 251000800]

約数ペア:

[(1, 251000800), (2, 125500400), (4, 62750200), (5, 50200160), (8, 31375100), (10, 25100080), (16, 15687550), (20, 12550040), (25, 10040032), (29, 8655200), (31, 8096800), (32, 7843775), (40, 6275020), (50, 5020016), (58, 4327600), (62, 4048400), (80, 3137510), (100, 2510008), (116, 2163800), (124, 2024200), (145, 1731040), (155, 1619360), (160, 1568755), (200, 1255004), (232, 1081900), (248, 1012100), (290, 865520), (310, 809680), (349, 719200), (400, 627502), (464, 540950), (496, 506050), (580, 432760), (620, 404840), (698, 359600), (725, 346208), (775, 323872), (800, 313751), (899, 279200), (928, 270475), (992, 253025), (1160, 216380), (1240, 202420), (1396, 179800), (1450, 173104), (1550, 161936), (1745, 143840), (1798, 139600), (2320, 108190), (2480, 101210), (2792, 89900), (2900, 86552), (3100, 80968), (3490, 71920), (3596, 69800), (4495, 55840), (4640, 54095), (4960, 50605), (5584, 44950), (5800, 43276), (6200, 40484), (6980, 35960), (7192, 34900), (8725, 28768), (8990, 27920), (10121, 24800), (10819, 23200), (11168, 22475), (11600, 21638), (12400, 20242), (13960, 17980), (14384, 17450)]