307809140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 713276928

約数和(自身を除く): 405467788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 71, 82, 85, 142, 164, 170, 205, 284, 311, 340, 355, 410, 622, 697, 710, 820, 1207, 1244, 1394, 1420, 1555, 2414, 2788, 2911, 3110, 3485, 4828, 5287, 5822, 6035, 6220, 6970, 10574, 11644, 12070, 12751, 13940, 14555, 21148, 22081, 24140, 25502, 26435, 29110, 44162, 49487, 51004, 52870, 58220, 63755, 88324, 98974, 105740, 110405, 127510, 197948, 216767, 220810, 247435, 255020, 375377, 433534, 441620, 494870, 750754, 867068, 905321, 989740, 1083835, 1501508, 1810642, 1876885, 2167670, 3621284, 3753770, 4335340, 4526605, 7507540, 9053210, 15390457, 18106420, 30780914, 61561828, 76952285, 153904570, 307809140]

約数ペア:

[(1, 307809140), (2, 153904570), (4, 76952285), (5, 61561828), (10, 30780914), (17, 18106420), (20, 15390457), (34, 9053210), (41, 7507540), (68, 4526605), (71, 4335340), (82, 3753770), (85, 3621284), (142, 2167670), (164, 1876885), (170, 1810642), (205, 1501508), (284, 1083835), (311, 989740), (340, 905321), (355, 867068), (410, 750754), (622, 494870), (697, 441620), (710, 433534), (820, 375377), (1207, 255020), (1244, 247435), (1394, 220810), (1420, 216767), (1555, 197948), (2414, 127510), (2788, 110405), (2911, 105740), (3110, 98974), (3485, 88324), (4828, 63755), (5287, 58220), (5822, 52870), (6035, 51004), (6220, 49487), (6970, 44162), (10574, 29110), (11644, 26435), (12070, 25502), (12751, 24140), (13940, 22081), (14555, 21148)]