521850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{71}}^1$

素因数の和:100

約数の個数: 72

約数和(自身を含む): 1526688

約数和(自身を除く): 1004838

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 71, 75, 98, 105, 142, 147, 150, 175, 210, 213, 245, 294, 350, 355, 426, 490, 497, 525, 710, 735, 994, 1050, 1065, 1225, 1470, 1491, 1775, 2130, 2450, 2485, 2982, 3479, 3550, 3675, 4970, 5325, 6958, 7350, 7455, 10437, 10650, 12425, 14910, 17395, 20874, 24850, 34790, 37275, 52185, 74550, 86975, 104370, 173950, 260925, 521850]

約数ペア:

[(1, 521850), (2, 260925), (3, 173950), (5, 104370), (6, 86975), (7, 74550), (10, 52185), (14, 37275), (15, 34790), (21, 24850), (25, 20874), (30, 17395), (35, 14910), (42, 12425), (49, 10650), (50, 10437), (70, 7455), (71, 7350), (75, 6958), (98, 5325), (105, 4970), (142, 3675), (147, 3550), (150, 3479), (175, 2982), (210, 2485), (213, 2450), (245, 2130), (294, 1775), (350, 1491), (355, 1470), (426, 1225), (490, 1065), (497, 1050), (525, 994), (710, 735)]