199530880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 502329600

約数和(自身を除く): 302798720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 113, 124, 128, 155, 160, 178, 226, 248, 310, 320, 356, 445, 452, 496, 565, 620, 640, 712, 890, 904, 992, 1130, 1240, 1424, 1780, 1808, 1984, 2260, 2480, 2759, 2848, 3503, 3560, 3616, 3968, 4520, 4960, 5518, 5696, 7006, 7120, 7232, 9040, 9920, 10057, 11036, 11392, 13795, 14012, 14240, 14464, 17515, 18080, 19840, 20114, 22072, 27590, 28024, 28480, 35030, 36160, 40228, 44144, 50285, 55180, 56048, 56960, 70060, 72320, 80456, 88288, 100570, 110360, 112096, 140120, 160912, 176576, 201140, 220720, 224192, 280240, 311767, 321824, 353152, 402280, 441440, 448384, 560480, 623534, 643648, 804560, 882880, 1120960, 1247068, 1287296, 1558835, 1609120, 1765760, 2241920, 2494136, 3117670, 3218240, 4988272, 6235340, 6436480, 9976544, 12470680, 19953088, 24941360, 39906176, 49882720, 99765440, 199530880]

約数ペア:

[(1, 199530880), (2, 99765440), (4, 49882720), (5, 39906176), (8, 24941360), (10, 19953088), (16, 12470680), (20, 9976544), (31, 6436480), (32, 6235340), (40, 4988272), (62, 3218240), (64, 3117670), (80, 2494136), (89, 2241920), (113, 1765760), (124, 1609120), (128, 1558835), (155, 1287296), (160, 1247068), (178, 1120960), (226, 882880), (248, 804560), (310, 643648), (320, 623534), (356, 560480), (445, 448384), (452, 441440), (496, 402280), (565, 353152), (620, 321824), (640, 311767), (712, 280240), (890, 224192), (904, 220720), (992, 201140), (1130, 176576), (1240, 160912), (1424, 140120), (1780, 112096), (1808, 110360), (1984, 100570), (2260, 88288), (2480, 80456), (2759, 72320), (2848, 70060), (3503, 56960), (3560, 56048), (3616, 55180), (3968, 50285), (4520, 44144), (4960, 40228), (5518, 36160), (5696, 35030), (7006, 28480), (7120, 28024), (7232, 27590), (9040, 22072), (9920, 20114), (10057, 19840), (11036, 18080), (11392, 17515), (13795, 14464), (14012, 14240)]