209951160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 651974400

約数和(自身を除く): 442023240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 139, 164, 205, 246, 278, 307, 328, 410, 417, 492, 556, 614, 615, 695, 820, 834, 921, 984, 1112, 1228, 1230, 1390, 1535, 1640, 1668, 1842, 2085, 2456, 2460, 2780, 3070, 3336, 3684, 4170, 4605, 4920, 5560, 5699, 6140, 7368, 8340, 9210, 11398, 12280, 12587, 16680, 17097, 18420, 22796, 25174, 28495, 34194, 36840, 37761, 42673, 45592, 50348, 56990, 62935, 68388, 75522, 85346, 85485, 100696, 113980, 125870, 128019, 136776, 151044, 170692, 170970, 188805, 213365, 227960, 251740, 256038, 302088, 341384, 341940, 377610, 426730, 503480, 512076, 640095, 683880, 755220, 853460, 1024152, 1280190, 1510440, 1706920, 1749593, 2560380, 3499186, 5120760, 5248779, 6998372, 8747965, 10497558, 13996744, 17495930, 20995116, 26243895, 34991860, 41990232, 52487790, 69983720, 104975580, 209951160]

約数ペア:

[(1, 209951160), (2, 104975580), (3, 69983720), (4, 52487790), (5, 41990232), (6, 34991860), (8, 26243895), (10, 20995116), (12, 17495930), (15, 13996744), (20, 10497558), (24, 8747965), (30, 6998372), (40, 5248779), (41, 5120760), (60, 3499186), (82, 2560380), (120, 1749593), (123, 1706920), (139, 1510440), (164, 1280190), (205, 1024152), (246, 853460), (278, 755220), (307, 683880), (328, 640095), (410, 512076), (417, 503480), (492, 426730), (556, 377610), (614, 341940), (615, 341384), (695, 302088), (820, 256038), (834, 251740), (921, 227960), (984, 213365), (1112, 188805), (1228, 170970), (1230, 170692), (1390, 151044), (1535, 136776), (1640, 128019), (1668, 125870), (1842, 113980), (2085, 100696), (2456, 85485), (2460, 85346), (2780, 75522), (3070, 68388), (3336, 62935), (3684, 56990), (4170, 50348), (4605, 45592), (4920, 42673), (5560, 37761), (5699, 36840), (6140, 34194), (7368, 28495), (8340, 25174), (9210, 22796), (11398, 18420), (12280, 17097), (12587, 16680)]