2912800900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{1117}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 6419354760

約数和(自身を除く): 3506553860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 293, 356, 445, 586, 890, 1117, 1172, 1465, 1780, 2225, 2234, 2930, 4450, 4468, 5585, 5860, 7325, 8900, 11170, 14650, 22340, 26077, 27925, 29300, 52154, 55850, 99413, 104308, 111700, 130385, 198826, 260770, 327281, 397652, 497065, 521540, 651925, 654562, 994130, 1303850, 1309124, 1636405, 1988260, 2485325, 2607700, 3272810, 4970650, 6545620, 8182025, 9941300, 16364050, 29128009, 32728100, 58256018, 116512036, 145640045, 291280090, 582560180, 728200225, 1456400450, 2912800900]

約数ペア:

[(1, 2912800900), (2, 1456400450), (4, 728200225), (5, 582560180), (10, 291280090), (20, 145640045), (25, 116512036), (50, 58256018), (89, 32728100), (100, 29128009), (178, 16364050), (293, 9941300), (356, 8182025), (445, 6545620), (586, 4970650), (890, 3272810), (1117, 2607700), (1172, 2485325), (1465, 1988260), (1780, 1636405), (2225, 1309124), (2234, 1303850), (2930, 994130), (4450, 654562), (4468, 651925), (5585, 521540), (5860, 497065), (7325, 397652), (8900, 327281), (11170, 260770), (14650, 198826), (22340, 130385), (26077, 111700), (27925, 104308), (29300, 99413), (52154, 55850)]