140344100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 331931880

約数和(自身を除く): 191587780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 356, 445, 650, 890, 1157, 1213, 1300, 1780, 2225, 2314, 2426, 4450, 4628, 4852, 5785, 6065, 8900, 11570, 12130, 15769, 23140, 24260, 28925, 30325, 31538, 57850, 60650, 63076, 78845, 107957, 115700, 121300, 157690, 215914, 315380, 394225, 431828, 539785, 788450, 1079570, 1403441, 1576900, 2159140, 2698925, 2806882, 5397850, 5613764, 7017205, 10795700, 14034410, 28068820, 35086025, 70172050, 140344100]

約数ペア:

[(1, 140344100), (2, 70172050), (4, 35086025), (5, 28068820), (10, 14034410), (13, 10795700), (20, 7017205), (25, 5613764), (26, 5397850), (50, 2806882), (52, 2698925), (65, 2159140), (89, 1576900), (100, 1403441), (130, 1079570), (178, 788450), (260, 539785), (325, 431828), (356, 394225), (445, 315380), (650, 215914), (890, 157690), (1157, 121300), (1213, 115700), (1300, 107957), (1780, 78845), (2225, 63076), (2314, 60650), (2426, 57850), (4450, 31538), (4628, 30325), (4852, 28925), (5785, 24260), (6065, 23140), (8900, 15769), (11570, 12130)]