290642940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{919}}^1$

素因数の和:1192

約数の個数: 144

約数和(自身を含む): 1012677120

約数和(自身を除く): 722034180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 251, 252, 315, 420, 502, 630, 753, 919, 1004, 1255, 1260, 1506, 1757, 1838, 2259, 2510, 2757, 3012, 3514, 3676, 3765, 4518, 4595, 5020, 5271, 5514, 6433, 7028, 7530, 8271, 8785, 9036, 9190, 10542, 11028, 11295, 12866, 13785, 15060, 15813, 16542, 17570, 18380, 19299, 21084, 22590, 25732, 26355, 27570, 31626, 32165, 33084, 35140, 38598, 41355, 45180, 52710, 55140, 57897, 63252, 64330, 77196, 79065, 82710, 96495, 105420, 115794, 128660, 158130, 165420, 192990, 230669, 231588, 289485, 316260, 385980, 461338, 578970, 692007, 922676, 1153345, 1157940, 1384014, 1614683, 2076021, 2306690, 2768028, 3229366, 3460035, 4152042, 4613380, 4844049, 6458732, 6920070, 8073415, 8304084, 9688098, 10380105, 13840140, 14532147, 16146830, 19376196, 20760210, 24220245, 29064294, 32293660, 41520420, 48440490, 58128588, 72660735, 96880980, 145321470, 290642940]

約数ペア:

[(1, 290642940), (2, 145321470), (3, 96880980), (4, 72660735), (5, 58128588), (6, 48440490), (7, 41520420), (9, 32293660), (10, 29064294), (12, 24220245), (14, 20760210), (15, 19376196), (18, 16146830), (20, 14532147), (21, 13840140), (28, 10380105), (30, 9688098), (35, 8304084), (36, 8073415), (42, 6920070), (45, 6458732), (60, 4844049), (63, 4613380), (70, 4152042), (84, 3460035), (90, 3229366), (105, 2768028), (126, 2306690), (140, 2076021), (180, 1614683), (210, 1384014), (251, 1157940), (252, 1153345), (315, 922676), (420, 692007), (502, 578970), (630, 461338), (753, 385980), (919, 316260), (1004, 289485), (1255, 231588), (1260, 230669), (1506, 192990), (1757, 165420), (1838, 158130), (2259, 128660), (2510, 115794), (2757, 105420), (3012, 96495), (3514, 82710), (3676, 79065), (3765, 77196), (4518, 64330), (4595, 63252), (5020, 57897), (5271, 55140), (5514, 52710), (6433, 45180), (7028, 41355), (7530, 38598), (8271, 35140), (8785, 33084), (9036, 32165), (9190, 31626), (10542, 27570), (11028, 26355), (11295, 25732), (12866, 22590), (13785, 21084), (15060, 19299), (15813, 18380), (16542, 17570)]