287140352

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 80

約数和(自身を含む): 602342400

約数和(自身を除く): 315202048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 229, 248, 256, 316, 458, 496, 512, 632, 916, 992, 1264, 1832, 1984, 2449, 2528, 3664, 3968, 4898, 5056, 7099, 7328, 7936, 9796, 10112, 14198, 14656, 15872, 18091, 19592, 20224, 28396, 29312, 36182, 39184, 40448, 56792, 58624, 72364, 78368, 113584, 117248, 144728, 156736, 227168, 289456, 313472, 454336, 560821, 578912, 626944, 908672, 1121642, 1157824, 1253888, 1817344, 2243284, 2315648, 3634688, 4486568, 4631296, 8973136, 9262592, 17946272, 35892544, 71785088, 143570176, 287140352]

約数ペア:

[(1, 287140352), (2, 143570176), (4, 71785088), (8, 35892544), (16, 17946272), (31, 9262592), (32, 8973136), (62, 4631296), (64, 4486568), (79, 3634688), (124, 2315648), (128, 2243284), (158, 1817344), (229, 1253888), (248, 1157824), (256, 1121642), (316, 908672), (458, 626944), (496, 578912), (512, 560821), (632, 454336), (916, 313472), (992, 289456), (1264, 227168), (1832, 156736), (1984, 144728), (2449, 117248), (2528, 113584), (3664, 78368), (3968, 72364), (4898, 58624), (5056, 56792), (7099, 40448), (7328, 39184), (7936, 36182), (9796, 29312), (10112, 28396), (14198, 20224), (14656, 19592), (15872, 18091)]