289404780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:768

約数の個数: 144

約数和(自身を含む): 949747680

約数和(自身を除く): 660342900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 173, 196, 210, 245, 294, 346, 420, 490, 519, 569, 588, 692, 735, 865, 980, 1038, 1138, 1211, 1470, 1707, 1730, 2076, 2276, 2422, 2595, 2845, 2940, 3414, 3460, 3633, 3983, 4844, 5190, 5690, 6055, 6828, 7266, 7966, 8477, 8535, 10380, 11380, 11949, 12110, 14532, 15932, 16954, 17070, 18165, 19915, 23898, 24220, 25431, 27881, 33908, 34140, 36330, 39830, 42385, 47796, 50862, 55762, 59745, 72660, 79660, 83643, 84770, 98437, 101724, 111524, 119490, 127155, 139405, 167286, 169540, 196874, 238980, 254310, 278810, 295311, 334572, 393748, 418215, 492185, 508620, 557620, 590622, 689059, 836430, 984370, 1181244, 1378118, 1476555, 1672860, 1968740, 2067177, 2756236, 2953110, 3445295, 4134354, 4823413, 5906220, 6890590, 8268708, 9646826, 10335885, 13781180, 14470239, 19293652, 20671770, 24117065, 28940478, 41343540, 48234130, 57880956, 72351195, 96468260, 144702390, 289404780]

約数ペア:

[(1, 289404780), (2, 144702390), (3, 96468260), (4, 72351195), (5, 57880956), (6, 48234130), (7, 41343540), (10, 28940478), (12, 24117065), (14, 20671770), (15, 19293652), (20, 14470239), (21, 13781180), (28, 10335885), (30, 9646826), (35, 8268708), (42, 6890590), (49, 5906220), (60, 4823413), (70, 4134354), (84, 3445295), (98, 2953110), (105, 2756236), (140, 2067177), (147, 1968740), (173, 1672860), (196, 1476555), (210, 1378118), (245, 1181244), (294, 984370), (346, 836430), (420, 689059), (490, 590622), (519, 557620), (569, 508620), (588, 492185), (692, 418215), (735, 393748), (865, 334572), (980, 295311), (1038, 278810), (1138, 254310), (1211, 238980), (1470, 196874), (1707, 169540), (1730, 167286), (2076, 139405), (2276, 127155), (2422, 119490), (2595, 111524), (2845, 101724), (2940, 98437), (3414, 84770), (3460, 83643), (3633, 79660), (3983, 72660), (4844, 59745), (5190, 55762), (5690, 50862), (6055, 47796), (6828, 42385), (7266, 39830), (7966, 36330), (8477, 34140), (8535, 33908), (10380, 27881), (11380, 25431), (11949, 24220), (12110, 23898), (14532, 19915), (15932, 18165), (16954, 17070)]