421848700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 1137816064

約数和(自身を除く): 715967364

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 151, 175, 182, 260, 302, 307, 325, 350, 364, 455, 604, 614, 650, 700, 755, 910, 1057, 1228, 1300, 1510, 1535, 1820, 1963, 2114, 2149, 2275, 3020, 3070, 3775, 3926, 3991, 4228, 4298, 4550, 5285, 6140, 7550, 7675, 7852, 7982, 8596, 9100, 9815, 10570, 10745, 13741, 15100, 15350, 15964, 19630, 19955, 21140, 21490, 26425, 27482, 27937, 30700, 39260, 39910, 42980, 46357, 49075, 52850, 53725, 54964, 55874, 68705, 79820, 92714, 98150, 99775, 105700, 107450, 111748, 137410, 139685, 185428, 196300, 199550, 214900, 231785, 274820, 279370, 324499, 343525, 399100, 463570, 558740, 602641, 648998, 687050, 698425, 927140, 1158925, 1205282, 1297996, 1374100, 1396850, 1622495, 2317850, 2410564, 2793700, 3013205, 3244990, 4218487, 4635700, 6026410, 6489980, 8112475, 8436974, 12052820, 15066025, 16224950, 16873948, 21092435, 30132050, 32449900, 42184870, 60264100, 84369740, 105462175, 210924350, 421848700]

約数ペア:

[(1, 421848700), (2, 210924350), (4, 105462175), (5, 84369740), (7, 60264100), (10, 42184870), (13, 32449900), (14, 30132050), (20, 21092435), (25, 16873948), (26, 16224950), (28, 15066025), (35, 12052820), (50, 8436974), (52, 8112475), (65, 6489980), (70, 6026410), (91, 4635700), (100, 4218487), (130, 3244990), (140, 3013205), (151, 2793700), (175, 2410564), (182, 2317850), (260, 1622495), (302, 1396850), (307, 1374100), (325, 1297996), (350, 1205282), (364, 1158925), (455, 927140), (604, 698425), (614, 687050), (650, 648998), (700, 602641), (755, 558740), (910, 463570), (1057, 399100), (1228, 343525), (1300, 324499), (1510, 279370), (1535, 274820), (1820, 231785), (1963, 214900), (2114, 199550), (2149, 196300), (2275, 185428), (3020, 139685), (3070, 137410), (3775, 111748), (3926, 107450), (3991, 105700), (4228, 99775), (4298, 98150), (4550, 92714), (5285, 79820), (6140, 68705), (7550, 55874), (7675, 54964), (7852, 53725), (7982, 52850), (8596, 49075), (9100, 46357), (9815, 42980), (10570, 39910), (10745, 39260), (13741, 30700), (15100, 27937), (15350, 27482), (15964, 26425), (19630, 21490), (19955, 21140)]