2153550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{293}}^1$

素因数の和:322

約数の個数: 72

約数和(自身を含む): 6233976

約数和(自身を除く): 4080426

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 293, 294, 350, 490, 525, 586, 735, 879, 1050, 1225, 1465, 1470, 1758, 2051, 2450, 2930, 3675, 4102, 4395, 6153, 7325, 7350, 8790, 10255, 12306, 14357, 14650, 20510, 21975, 28714, 30765, 43071, 43950, 51275, 61530, 71785, 86142, 102550, 143570, 153825, 215355, 307650, 358925, 430710, 717850, 1076775, 2153550]

約数ペア:

[(1, 2153550), (2, 1076775), (3, 717850), (5, 430710), (6, 358925), (7, 307650), (10, 215355), (14, 153825), (15, 143570), (21, 102550), (25, 86142), (30, 71785), (35, 61530), (42, 51275), (49, 43950), (50, 43071), (70, 30765), (75, 28714), (98, 21975), (105, 20510), (147, 14650), (150, 14357), (175, 12306), (210, 10255), (245, 8790), (293, 7350), (294, 7325), (350, 6153), (490, 4395), (525, 4102), (586, 3675), (735, 2930), (879, 2450), (1050, 2051), (1225, 1758), (1465, 1470)]