166749700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 422403520

約数和(自身を除く): 255653820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 43, 50, 52, 65, 76, 86, 95, 100, 130, 157, 172, 190, 215, 247, 260, 314, 325, 380, 430, 475, 494, 559, 628, 650, 785, 817, 860, 950, 988, 1075, 1118, 1235, 1300, 1570, 1634, 1900, 2041, 2150, 2236, 2470, 2795, 2983, 3140, 3268, 3925, 4082, 4085, 4300, 4940, 5590, 5966, 6175, 6751, 7850, 8164, 8170, 10205, 10621, 11180, 11932, 12350, 13502, 13975, 14915, 15700, 16340, 20410, 20425, 21242, 24700, 27004, 27950, 29830, 33755, 38779, 40820, 40850, 42484, 51025, 53105, 55900, 59660, 67510, 74575, 77558, 81700, 87763, 102050, 106210, 128269, 135020, 149150, 155116, 168775, 175526, 193895, 204100, 212420, 256538, 265525, 298300, 337550, 351052, 387790, 438815, 513076, 531050, 641345, 675100, 775580, 877630, 969475, 1062100, 1282690, 1667497, 1755260, 1938950, 2194075, 2565380, 3206725, 3334994, 3877900, 4388150, 6413450, 6669988, 8337485, 8776300, 12826900, 16674970, 33349940, 41687425, 83374850, 166749700]

約数ペア:

[(1, 166749700), (2, 83374850), (4, 41687425), (5, 33349940), (10, 16674970), (13, 12826900), (19, 8776300), (20, 8337485), (25, 6669988), (26, 6413450), (38, 4388150), (43, 3877900), (50, 3334994), (52, 3206725), (65, 2565380), (76, 2194075), (86, 1938950), (95, 1755260), (100, 1667497), (130, 1282690), (157, 1062100), (172, 969475), (190, 877630), (215, 775580), (247, 675100), (260, 641345), (314, 531050), (325, 513076), (380, 438815), (430, 387790), (475, 351052), (494, 337550), (559, 298300), (628, 265525), (650, 256538), (785, 212420), (817, 204100), (860, 193895), (950, 175526), (988, 168775), (1075, 155116), (1118, 149150), (1235, 135020), (1300, 128269), (1570, 106210), (1634, 102050), (1900, 87763), (2041, 81700), (2150, 77558), (2236, 74575), (2470, 67510), (2795, 59660), (2983, 55900), (3140, 53105), (3268, 51025), (3925, 42484), (4082, 40850), (4085, 40820), (4300, 38779), (4940, 33755), (5590, 29830), (5966, 27950), (6175, 27004), (6751, 24700), (7850, 21242), (8164, 20425), (8170, 20410), (10205, 16340), (10621, 15700), (11180, 14915), (11932, 13975), (12350, 13502)]