252510190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 505866240

約数和(自身を除く): 253356050

約数列:

[1, 2, 5, 10, 19, 31, 38, 43, 62, 86, 95, 155, 190, 215, 310, 430, 589, 817, 997, 1178, 1333, 1634, 1994, 2666, 2945, 4085, 4985, 5890, 6665, 8170, 9970, 13330, 18943, 25327, 30907, 37886, 42871, 50654, 61814, 85742, 94715, 126635, 154535, 189430, 214355, 253270, 309070, 428710, 587233, 814549, 1174466, 1329001, 1629098, 2658002, 2936165, 4072745, 5872330, 6645005, 8145490, 13290010, 25251019, 50502038, 126255095, 252510190]

約数ペア:

[(1, 252510190), (2, 126255095), (5, 50502038), (10, 25251019), (19, 13290010), (31, 8145490), (38, 6645005), (43, 5872330), (62, 4072745), (86, 2936165), (95, 2658002), (155, 1629098), (190, 1329001), (215, 1174466), (310, 814549), (430, 587233), (589, 428710), (817, 309070), (997, 253270), (1178, 214355), (1333, 189430), (1634, 154535), (1994, 126635), (2666, 94715), (2945, 85742), (4085, 61814), (4985, 50654), (5890, 42871), (6665, 37886), (8170, 30907), (9970, 25327), (13330, 18943)]