280716100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1058

約数の個数: 108

約数和(自身を含む): 721360080

約数和(自身を除く): 440643980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 59, 70, 98, 100, 118, 140, 175, 196, 236, 245, 295, 350, 413, 490, 590, 700, 826, 971, 980, 1180, 1225, 1475, 1652, 1942, 2065, 2450, 2891, 2950, 3884, 4130, 4855, 4900, 5782, 5900, 6797, 8260, 9710, 10325, 11564, 13594, 14455, 19420, 20650, 24275, 27188, 28910, 33985, 41300, 47579, 48550, 57289, 57820, 67970, 72275, 95158, 97100, 114578, 135940, 144550, 169925, 190316, 229156, 237895, 286445, 289100, 339850, 401023, 475790, 572890, 679700, 802046, 951580, 1145780, 1189475, 1432225, 1604092, 2005115, 2378950, 2807161, 2864450, 4010230, 4757900, 5614322, 5728900, 8020460, 10025575, 11228644, 14035805, 20051150, 28071610, 40102300, 56143220, 70179025, 140358050, 280716100]

約数ペア:

[(1, 280716100), (2, 140358050), (4, 70179025), (5, 56143220), (7, 40102300), (10, 28071610), (14, 20051150), (20, 14035805), (25, 11228644), (28, 10025575), (35, 8020460), (49, 5728900), (50, 5614322), (59, 4757900), (70, 4010230), (98, 2864450), (100, 2807161), (118, 2378950), (140, 2005115), (175, 1604092), (196, 1432225), (236, 1189475), (245, 1145780), (295, 951580), (350, 802046), (413, 679700), (490, 572890), (590, 475790), (700, 401023), (826, 339850), (971, 289100), (980, 286445), (1180, 237895), (1225, 229156), (1475, 190316), (1652, 169925), (1942, 144550), (2065, 135940), (2450, 114578), (2891, 97100), (2950, 95158), (3884, 72275), (4130, 67970), (4855, 57820), (4900, 57289), (5782, 48550), (5900, 47579), (6797, 41300), (8260, 33985), (9710, 28910), (10325, 27188), (11564, 24275), (13594, 20650), (14455, 19420)]