28488250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 62060544

約数和(自身を除く): 33572294

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 73, 125, 146, 175, 223, 250, 350, 365, 446, 511, 730, 875, 1022, 1115, 1561, 1750, 1825, 2230, 2555, 3122, 3650, 5110, 5575, 7805, 9125, 11150, 12775, 15610, 16279, 18250, 25550, 27875, 32558, 39025, 55750, 63875, 78050, 81395, 113953, 127750, 162790, 195125, 227906, 390250, 406975, 569765, 813950, 1139530, 2034875, 2848825, 4069750, 5697650, 14244125, 28488250]

約数ペア:

[(1, 28488250), (2, 14244125), (5, 5697650), (7, 4069750), (10, 2848825), (14, 2034875), (25, 1139530), (35, 813950), (50, 569765), (70, 406975), (73, 390250), (125, 227906), (146, 195125), (175, 162790), (223, 127750), (250, 113953), (350, 81395), (365, 78050), (446, 63875), (511, 55750), (730, 39025), (875, 32558), (1022, 27875), (1115, 25550), (1561, 18250), (1750, 16279), (1825, 15610), (2230, 12775), (2555, 11150), (3122, 9125), (3650, 7805), (5110, 5575)]