251012240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{1117}}^1$

素因数の和:1236

約数の個数: 60

約数和(自身を含む): 595355124

約数和(自身を除く): 344342884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 1117, 2120, 2234, 2809, 4240, 4468, 5585, 5618, 8936, 11170, 11236, 14045, 17872, 22340, 22472, 28090, 44680, 44944, 56180, 59201, 89360, 112360, 118402, 224720, 236804, 296005, 473608, 592010, 947216, 1184020, 2368040, 3137653, 4736080, 6275306, 12550612, 15688265, 25101224, 31376530, 50202448, 62753060, 125506120, 251012240]

約数ペア:

[(1, 251012240), (2, 125506120), (4, 62753060), (5, 50202448), (8, 31376530), (10, 25101224), (16, 15688265), (20, 12550612), (40, 6275306), (53, 4736080), (80, 3137653), (106, 2368040), (212, 1184020), (265, 947216), (424, 592010), (530, 473608), (848, 296005), (1060, 236804), (1117, 224720), (2120, 118402), (2234, 112360), (2809, 89360), (4240, 59201), (4468, 56180), (5585, 44944), (5618, 44680), (8936, 28090), (11170, 22472), (11236, 22340), (14045, 17872)]