289883100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 909941760

約数和(自身を除く): 620058660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 239, 260, 300, 311, 325, 390, 478, 622, 650, 717, 780, 933, 956, 975, 1195, 1244, 1300, 1434, 1555, 1866, 1950, 2390, 2868, 3107, 3110, 3585, 3732, 3900, 4043, 4665, 4780, 5975, 6214, 6220, 7170, 7775, 8086, 9321, 9330, 11950, 12129, 12428, 14340, 15535, 15550, 16172, 17925, 18642, 18660, 20215, 23325, 23900, 24258, 31070, 31100, 35850, 37284, 40430, 46605, 46650, 48516, 60645, 62140, 71700, 74329, 77675, 80860, 93210, 93300, 101075, 121290, 148658, 155350, 186420, 202150, 222987, 233025, 242580, 297316, 303225, 310700, 371645, 404300, 445974, 466050, 606450, 743290, 891948, 932100, 966277, 1114935, 1212900, 1486580, 1858225, 1932554, 2229870, 2898831, 3716450, 3865108, 4459740, 4831385, 5574675, 5797662, 7432900, 9662770, 11149350, 11595324, 14494155, 19325540, 22298700, 24156925, 28988310, 48313850, 57976620, 72470775, 96627700, 144941550, 289883100]

約数ペア:

[(1, 289883100), (2, 144941550), (3, 96627700), (4, 72470775), (5, 57976620), (6, 48313850), (10, 28988310), (12, 24156925), (13, 22298700), (15, 19325540), (20, 14494155), (25, 11595324), (26, 11149350), (30, 9662770), (39, 7432900), (50, 5797662), (52, 5574675), (60, 4831385), (65, 4459740), (75, 3865108), (78, 3716450), (100, 2898831), (130, 2229870), (150, 1932554), (156, 1858225), (195, 1486580), (239, 1212900), (260, 1114935), (300, 966277), (311, 932100), (325, 891948), (390, 743290), (478, 606450), (622, 466050), (650, 445974), (717, 404300), (780, 371645), (933, 310700), (956, 303225), (975, 297316), (1195, 242580), (1244, 233025), (1300, 222987), (1434, 202150), (1555, 186420), (1866, 155350), (1950, 148658), (2390, 121290), (2868, 101075), (3107, 93300), (3110, 93210), (3585, 80860), (3732, 77675), (3900, 74329), (4043, 71700), (4665, 62140), (4780, 60645), (5975, 48516), (6214, 46650), (6220, 46605), (7170, 40430), (7775, 37284), (8086, 35850), (9321, 31100), (9330, 31070), (11950, 24258), (12129, 23900), (12428, 23325), (14340, 20215), (15535, 18660), (15550, 18642), (16172, 17925)]