220182725

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 342868680

約数和(自身を除く): 122685955

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 97, 109, 119, 175, 245, 425, 485, 545, 595, 679, 763, 833, 1225, 1649, 1853, 2425, 2725, 2975, 3395, 3815, 4165, 4753, 5341, 8245, 9265, 10573, 11543, 12971, 16975, 19075, 20825, 23765, 26705, 41225, 46325, 52865, 57715, 64855, 74011, 80801, 90797, 118825, 133525, 179741, 264325, 288575, 324275, 370055, 404005, 453985, 518077, 898705, 1258187, 1850275, 2020025, 2269925, 2590385, 4493525, 6290935, 8807309, 12951925, 31454675, 44036545, 220182725]

約数ペア:

[(1, 220182725), (5, 44036545), (7, 31454675), (17, 12951925), (25, 8807309), (35, 6290935), (49, 4493525), (85, 2590385), (97, 2269925), (109, 2020025), (119, 1850275), (175, 1258187), (245, 898705), (425, 518077), (485, 453985), (545, 404005), (595, 370055), (679, 324275), (763, 288575), (833, 264325), (1225, 179741), (1649, 133525), (1853, 118825), (2425, 90797), (2725, 80801), (2975, 74011), (3395, 64855), (3815, 57715), (4165, 52865), (4753, 46325), (5341, 41225), (8245, 26705), (9265, 23765), (10573, 20825), (11543, 19075), (12971, 16975)]