989683840

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:414

約数の個数: 128

約数和(自身を含む): 2438942400

約数和(自身を除く): 1449258560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 163, 179, 212, 265, 320, 326, 358, 424, 530, 640, 652, 716, 815, 848, 895, 1060, 1304, 1432, 1630, 1696, 1790, 2120, 2608, 2864, 3260, 3392, 3580, 4240, 5216, 5728, 6520, 6784, 7160, 8480, 8639, 9487, 10432, 11456, 13040, 14320, 16960, 17278, 18974, 20864, 22912, 26080, 28640, 29177, 33920, 34556, 37948, 43195, 47435, 52160, 57280, 58354, 69112, 75896, 86390, 94870, 104320, 114560, 116708, 138224, 145885, 151792, 172780, 189740, 233416, 276448, 291770, 303584, 345560, 379480, 466832, 552896, 583540, 607168, 691120, 758960, 933664, 1105792, 1167080, 1214336, 1382240, 1517920, 1546381, 1867328, 2334160, 2764480, 3035840, 3092762, 3734656, 4668320, 5528960, 6071680, 6185524, 7731905, 9336640, 12371048, 15463810, 18673280, 24742096, 30927620, 49484192, 61855240, 98968384, 123710480, 197936768, 247420960, 494841920, 989683840]

約数ペア:

[(1, 989683840), (2, 494841920), (4, 247420960), (5, 197936768), (8, 123710480), (10, 98968384), (16, 61855240), (20, 49484192), (32, 30927620), (40, 24742096), (53, 18673280), (64, 15463810), (80, 12371048), (106, 9336640), (128, 7731905), (160, 6185524), (163, 6071680), (179, 5528960), (212, 4668320), (265, 3734656), (320, 3092762), (326, 3035840), (358, 2764480), (424, 2334160), (530, 1867328), (640, 1546381), (652, 1517920), (716, 1382240), (815, 1214336), (848, 1167080), (895, 1105792), (1060, 933664), (1304, 758960), (1432, 691120), (1630, 607168), (1696, 583540), (1790, 552896), (2120, 466832), (2608, 379480), (2864, 345560), (3260, 303584), (3392, 291770), (3580, 276448), (4240, 233416), (5216, 189740), (5728, 172780), (6520, 151792), (6784, 145885), (7160, 138224), (8480, 116708), (8639, 114560), (9487, 104320), (10432, 94870), (11456, 86390), (13040, 75896), (14320, 69112), (16960, 58354), (17278, 57280), (18974, 52160), (20864, 47435), (22912, 43195), (26080, 37948), (28640, 34556), (29177, 33920)]