283989760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 745258752

約数和(自身を除く): 461268992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 421, 496, 527, 544, 620, 640, 680, 842, 992, 1054, 1088, 1240, 1280, 1360, 1684, 1984, 2105, 2108, 2176, 2480, 2635, 2720, 3368, 3968, 4210, 4216, 4352, 4960, 5270, 5440, 6736, 7157, 7936, 8420, 8432, 9920, 10540, 10880, 13051, 13472, 14314, 16840, 16864, 19840, 21080, 21760, 26102, 26944, 28628, 33680, 33728, 35785, 39680, 42160, 52204, 53888, 57256, 65255, 67360, 67456, 71570, 84320, 104408, 107776, 114512, 130510, 134720, 134912, 143140, 168640, 208816, 221867, 229024, 261020, 269440, 286280, 337280, 417632, 443734, 458048, 522040, 538880, 572560, 674560, 835264, 887468, 916096, 1044080, 1109335, 1145120, 1670528, 1774936, 1832192, 2088160, 2218670, 2290240, 3341056, 3549872, 4176320, 4437340, 4580480, 7099744, 8352640, 8874680, 9160960, 14199488, 16705280, 17749360, 28398976, 35498720, 56797952, 70997440, 141994880, 283989760]

約数ペア:

[(1, 283989760), (2, 141994880), (4, 70997440), (5, 56797952), (8, 35498720), (10, 28398976), (16, 17749360), (17, 16705280), (20, 14199488), (31, 9160960), (32, 8874680), (34, 8352640), (40, 7099744), (62, 4580480), (64, 4437340), (68, 4176320), (80, 3549872), (85, 3341056), (124, 2290240), (128, 2218670), (136, 2088160), (155, 1832192), (160, 1774936), (170, 1670528), (248, 1145120), (256, 1109335), (272, 1044080), (310, 916096), (320, 887468), (340, 835264), (421, 674560), (496, 572560), (527, 538880), (544, 522040), (620, 458048), (640, 443734), (680, 417632), (842, 337280), (992, 286280), (1054, 269440), (1088, 261020), (1240, 229024), (1280, 221867), (1360, 208816), (1684, 168640), (1984, 143140), (2105, 134912), (2108, 134720), (2176, 130510), (2480, 114512), (2635, 107776), (2720, 104408), (3368, 84320), (3968, 71570), (4210, 67456), (4216, 67360), (4352, 65255), (4960, 57256), (5270, 53888), (5440, 52204), (6736, 42160), (7157, 39680), (7936, 35785), (8420, 33728), (8432, 33680), (9920, 28628), (10540, 26944), (10880, 26102), (13051, 21760), (13472, 21080), (14314, 19840), (16840, 16864)]