449622420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{576439}}^1$

素因数の和:576464

約数の個数: 48

約数和(自身を含む): 1355786880

約数和(自身を除く): 906164460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 576439, 1152878, 1729317, 2305756, 2882195, 3458634, 5764390, 6917268, 7493707, 8646585, 11528780, 14987414, 17293170, 22481121, 29974828, 34586340, 37468535, 44962242, 74937070, 89924484, 112405605, 149874140, 224811210, 449622420]

約数ペア:

[(1, 449622420), (2, 224811210), (3, 149874140), (4, 112405605), (5, 89924484), (6, 74937070), (10, 44962242), (12, 37468535), (13, 34586340), (15, 29974828), (20, 22481121), (26, 17293170), (30, 14987414), (39, 11528780), (52, 8646585), (60, 7493707), (65, 6917268), (78, 5764390), (130, 3458634), (156, 2882195), (195, 2305756), (260, 1729317), (390, 1152878), (780, 576439)]