81869200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{4177}}^1$

素因数の和:4209

約数の個数: 90

約数和(自身を含む): 228858306

約数和(自身を除く): 146989106

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4177, 4900, 8354, 9800, 16708, 19600, 20885, 29239, 33416, 41770, 58478, 66832, 83540, 104425, 116956, 146195, 167080, 204673, 208850, 233912, 292390, 334160, 409346, 417700, 467824, 584780, 730975, 818692, 835400, 1023365, 1169560, 1461950, 1637384, 1670800, 2046730, 2339120, 2923900, 3274768, 4093460, 5116825, 5847800, 8186920, 10233650, 11695600, 16373840, 20467300, 40934600, 81869200]

約数ペア:

[(1, 81869200), (2, 40934600), (4, 20467300), (5, 16373840), (7, 11695600), (8, 10233650), (10, 8186920), (14, 5847800), (16, 5116825), (20, 4093460), (25, 3274768), (28, 2923900), (35, 2339120), (40, 2046730), (49, 1670800), (50, 1637384), (56, 1461950), (70, 1169560), (80, 1023365), (98, 835400), (100, 818692), (112, 730975), (140, 584780), (175, 467824), (196, 417700), (200, 409346), (245, 334160), (280, 292390), (350, 233912), (392, 208850), (400, 204673), (490, 167080), (560, 146195), (700, 116956), (784, 104425), (980, 83540), (1225, 66832), (1400, 58478), (1960, 41770), (2450, 33416), (2800, 29239), (3920, 20885), (4177, 19600), (4900, 16708), (8354, 9800)]