421818810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1596

約数の個数: 128

約数和(自身を含む): 1235865600

約数和(自身を除く): 814046790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 71, 95, 105, 114, 133, 142, 190, 210, 213, 266, 285, 355, 399, 426, 497, 570, 665, 710, 798, 994, 1065, 1330, 1349, 1489, 1491, 1995, 2130, 2485, 2698, 2978, 2982, 3990, 4047, 4467, 4970, 6745, 7445, 7455, 8094, 8934, 9443, 10423, 13490, 14890, 14910, 18886, 20235, 20846, 22335, 28291, 28329, 31269, 40470, 44670, 47215, 52115, 56582, 56658, 62538, 84873, 94430, 104230, 105719, 141455, 141645, 156345, 169746, 198037, 211438, 282910, 283290, 312690, 317157, 396074, 424365, 528595, 594111, 634314, 740033, 848730, 990185, 1057190, 1188222, 1480066, 1585785, 1980370, 2008661, 2220099, 2970555, 3171570, 3700165, 4017322, 4440198, 5941110, 6025983, 7400330, 10043305, 11100495, 12051966, 14060627, 20086610, 22200990, 28121254, 30129915, 42181881, 60259830, 70303135, 84363762, 140606270, 210909405, 421818810]

約数ペア:

[(1, 421818810), (2, 210909405), (3, 140606270), (5, 84363762), (6, 70303135), (7, 60259830), (10, 42181881), (14, 30129915), (15, 28121254), (19, 22200990), (21, 20086610), (30, 14060627), (35, 12051966), (38, 11100495), (42, 10043305), (57, 7400330), (70, 6025983), (71, 5941110), (95, 4440198), (105, 4017322), (114, 3700165), (133, 3171570), (142, 2970555), (190, 2220099), (210, 2008661), (213, 1980370), (266, 1585785), (285, 1480066), (355, 1188222), (399, 1057190), (426, 990185), (497, 848730), (570, 740033), (665, 634314), (710, 594111), (798, 528595), (994, 424365), (1065, 396074), (1330, 317157), (1349, 312690), (1489, 283290), (1491, 282910), (1995, 211438), (2130, 198037), (2485, 169746), (2698, 156345), (2978, 141645), (2982, 141455), (3990, 105719), (4047, 104230), (4467, 94430), (4970, 84873), (6745, 62538), (7445, 56658), (7455, 56582), (8094, 52115), (8934, 47215), (9443, 44670), (10423, 40470), (13490, 31269), (14890, 28329), (14910, 28291), (18886, 22335), (20235, 20846)]