211781010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 128

約数和(自身を含む): 612126720

約数和(自身を除く): 400345710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 163, 210, 230, 269, 322, 326, 345, 483, 489, 538, 690, 805, 807, 815, 966, 978, 1141, 1345, 1610, 1614, 1630, 1883, 2282, 2415, 2445, 2690, 3423, 3749, 3766, 4035, 4830, 4890, 5649, 5705, 6187, 6846, 7498, 8070, 9415, 11247, 11298, 11410, 12374, 17115, 18561, 18745, 18830, 22494, 26243, 28245, 30935, 34230, 37122, 37490, 43309, 43847, 52486, 56235, 56490, 61870, 78729, 86618, 87694, 92805, 112470, 129927, 131215, 131541, 157458, 185610, 216545, 219235, 259854, 262430, 263082, 306929, 393645, 433090, 438470, 613858, 649635, 657705, 787290, 920787, 1008481, 1299270, 1315410, 1534645, 1841574, 2016962, 3025443, 3069290, 4603935, 5042405, 6050886, 7059367, 9207870, 10084810, 14118734, 15127215, 21178101, 30254430, 35296835, 42356202, 70593670, 105890505, 211781010]

約数ペア:

[(1, 211781010), (2, 105890505), (3, 70593670), (5, 42356202), (6, 35296835), (7, 30254430), (10, 21178101), (14, 15127215), (15, 14118734), (21, 10084810), (23, 9207870), (30, 7059367), (35, 6050886), (42, 5042405), (46, 4603935), (69, 3069290), (70, 3025443), (105, 2016962), (115, 1841574), (138, 1534645), (161, 1315410), (163, 1299270), (210, 1008481), (230, 920787), (269, 787290), (322, 657705), (326, 649635), (345, 613858), (483, 438470), (489, 433090), (538, 393645), (690, 306929), (805, 263082), (807, 262430), (815, 259854), (966, 219235), (978, 216545), (1141, 185610), (1345, 157458), (1610, 131541), (1614, 131215), (1630, 129927), (1883, 112470), (2282, 92805), (2415, 87694), (2445, 86618), (2690, 78729), (3423, 61870), (3749, 56490), (3766, 56235), (4035, 52486), (4830, 43847), (4890, 43309), (5649, 37490), (5705, 37122), (6187, 34230), (6846, 30935), (7498, 28245), (8070, 26243), (9415, 22494), (11247, 18830), (11298, 18745), (11410, 18561), (12374, 17115)]