280372750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 604910592

約数和(自身を除く): 324537842

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 131, 175, 250, 262, 350, 655, 875, 917, 1223, 1310, 1750, 1834, 2446, 3275, 4585, 6115, 6550, 8561, 9170, 12230, 16375, 17122, 22925, 30575, 32750, 42805, 45850, 61150, 85610, 114625, 152875, 160213, 214025, 229250, 305750, 320426, 428050, 801065, 1070125, 1121491, 1602130, 2140250, 2242982, 4005325, 5607455, 8010650, 11214910, 20026625, 28037275, 40053250, 56074550, 140186375, 280372750]

約数ペア:

[(1, 280372750), (2, 140186375), (5, 56074550), (7, 40053250), (10, 28037275), (14, 20026625), (25, 11214910), (35, 8010650), (50, 5607455), (70, 4005325), (125, 2242982), (131, 2140250), (175, 1602130), (250, 1121491), (262, 1070125), (350, 801065), (655, 428050), (875, 320426), (917, 305750), (1223, 229250), (1310, 214025), (1750, 160213), (1834, 152875), (2446, 114625), (3275, 85610), (4585, 61150), (6115, 45850), (6550, 42805), (8561, 32750), (9170, 30575), (12230, 22925), (16375, 17122)]