398401150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 887943168

約数和(自身を除く): 489542018

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 73, 146, 155, 175, 217, 310, 350, 365, 434, 503, 511, 730, 775, 1006, 1022, 1085, 1550, 1825, 2170, 2263, 2515, 2555, 3521, 3650, 4526, 5030, 5110, 5425, 7042, 10850, 11315, 12575, 12775, 15593, 15841, 17605, 22630, 25150, 25550, 31186, 31682, 35210, 36719, 56575, 73438, 77965, 79205, 88025, 109151, 113150, 155930, 158410, 176050, 183595, 218302, 257033, 367190, 389825, 396025, 514066, 545755, 779650, 792050, 917975, 1091510, 1138289, 1285165, 1835950, 2276578, 2570330, 2728775, 5457550, 5691445, 6425825, 7968023, 11382890, 12851650, 15936046, 28457225, 39840115, 56914450, 79680230, 199200575, 398401150]

約数ペア:

[(1, 398401150), (2, 199200575), (5, 79680230), (7, 56914450), (10, 39840115), (14, 28457225), (25, 15936046), (31, 12851650), (35, 11382890), (50, 7968023), (62, 6425825), (70, 5691445), (73, 5457550), (146, 2728775), (155, 2570330), (175, 2276578), (217, 1835950), (310, 1285165), (350, 1138289), (365, 1091510), (434, 917975), (503, 792050), (511, 779650), (730, 545755), (775, 514066), (1006, 396025), (1022, 389825), (1085, 367190), (1550, 257033), (1825, 218302), (2170, 183595), (2263, 176050), (2515, 158410), (2555, 155930), (3521, 113150), (3650, 109151), (4526, 88025), (5030, 79205), (5110, 77965), (5425, 73438), (7042, 56575), (10850, 36719), (11315, 35210), (12575, 31682), (12775, 31186), (15593, 25550), (15841, 25150), (17605, 22630)]