285470900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19963}}^1$

素因数の和:20001

約数の個数: 72

約数和(自身を含む): 727807584

約数和(自身を除く): 442336684

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 2860, 3575, 7150, 14300, 19963, 39926, 79852, 99815, 199630, 219593, 259519, 399260, 439186, 499075, 519038, 878372, 998150, 1038076, 1097965, 1297595, 1996300, 2195930, 2595190, 2854709, 4391860, 5190380, 5489825, 5709418, 6487975, 10979650, 11418836, 12975950, 14273545, 21959300, 25951900, 28547090, 57094180, 71367725, 142735450, 285470900]

約数ペア:

[(1, 285470900), (2, 142735450), (4, 71367725), (5, 57094180), (10, 28547090), (11, 25951900), (13, 21959300), (20, 14273545), (22, 12975950), (25, 11418836), (26, 10979650), (44, 6487975), (50, 5709418), (52, 5489825), (55, 5190380), (65, 4391860), (100, 2854709), (110, 2595190), (130, 2195930), (143, 1996300), (220, 1297595), (260, 1097965), (275, 1038076), (286, 998150), (325, 878372), (550, 519038), (572, 499075), (650, 439186), (715, 399260), (1100, 259519), (1300, 219593), (1430, 199630), (2860, 99815), (3575, 79852), (7150, 39926), (14300, 19963)]