490603520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 176

約数和(自身を含む): 1329993216

約数和(自身を除く): 839389696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 281, 310, 320, 341, 352, 440, 496, 512, 562, 620, 640, 682, 704, 880, 992, 1024, 1124, 1240, 1280, 1364, 1405, 1408, 1705, 1760, 1984, 2248, 2480, 2560, 2728, 2810, 2816, 3091, 3410, 3520, 3968, 4496, 4960, 5120, 5456, 5620, 5632, 6182, 6820, 7040, 7936, 8711, 8992, 9920, 10912, 11240, 11264, 12364, 13640, 14080, 15455, 15872, 17422, 17984, 19840, 21824, 22480, 24728, 27280, 28160, 30910, 31744, 34844, 35968, 39680, 43555, 43648, 44960, 49456, 54560, 56320, 61820, 69688, 71936, 79360, 87110, 87296, 89920, 95821, 98912, 109120, 123640, 139376, 143872, 158720, 174220, 174592, 179840, 191642, 197824, 218240, 247280, 278752, 287744, 348440, 349184, 359680, 383284, 395648, 436480, 479105, 494560, 557504, 696880, 719360, 766568, 791296, 872960, 958210, 989120, 1115008, 1393760, 1438720, 1533136, 1582592, 1745920, 1916420, 1978240, 2230016, 2787520, 3066272, 3165184, 3832840, 3956480, 4460032, 5575040, 6132544, 7665680, 7912960, 8920064, 11150080, 12265088, 15331360, 15825920, 22300160, 24530176, 30662720, 44600320, 49060352, 61325440, 98120704, 122650880, 245301760, 490603520]

約数ペア:

[(1, 490603520), (2, 245301760), (4, 122650880), (5, 98120704), (8, 61325440), (10, 49060352), (11, 44600320), (16, 30662720), (20, 24530176), (22, 22300160), (31, 15825920), (32, 15331360), (40, 12265088), (44, 11150080), (55, 8920064), (62, 7912960), (64, 7665680), (80, 6132544), (88, 5575040), (110, 4460032), (124, 3956480), (128, 3832840), (155, 3165184), (160, 3066272), (176, 2787520), (220, 2230016), (248, 1978240), (256, 1916420), (281, 1745920), (310, 1582592), (320, 1533136), (341, 1438720), (352, 1393760), (440, 1115008), (496, 989120), (512, 958210), (562, 872960), (620, 791296), (640, 766568), (682, 719360), (704, 696880), (880, 557504), (992, 494560), (1024, 479105), (1124, 436480), (1240, 395648), (1280, 383284), (1364, 359680), (1405, 349184), (1408, 348440), (1705, 287744), (1760, 278752), (1984, 247280), (2248, 218240), (2480, 197824), (2560, 191642), (2728, 179840), (2810, 174592), (2816, 174220), (3091, 158720), (3410, 143872), (3520, 139376), (3968, 123640), (4496, 109120), (4960, 98912), (5120, 95821), (5456, 89920), (5620, 87296), (5632, 87110), (6182, 79360), (6820, 71936), (7040, 69688), (7936, 61820), (8711, 56320), (8992, 54560), (9920, 49456), (10912, 44960), (11240, 43648), (11264, 43555), (12364, 39680), (13640, 35968), (14080, 34844), (15455, 31744), (15872, 30910), (17422, 28160), (17984, 27280), (19840, 24728), (21824, 22480)]