740890124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^2$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 1511818560

約数和(自身を除く): 770928436

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 79, 103, 158, 206, 221, 316, 412, 442, 884, 1027, 1339, 1343, 1751, 2054, 2678, 2686, 3502, 4108, 5356, 5372, 7004, 8137, 10609, 16274, 17459, 21218, 22763, 32548, 34918, 42436, 45526, 69836, 91052, 105781, 137917, 138329, 180353, 211562, 275834, 276658, 360706, 423124, 551668, 553316, 721412, 838111, 1676222, 1798277, 2344589, 3352444, 3596554, 4689178, 7193108, 9378356, 10895443, 14247887, 21790886, 28495774, 43581772, 56991548, 185222531, 370445062, 740890124]

約数ペア:

[(1, 740890124), (2, 370445062), (4, 185222531), (13, 56991548), (17, 43581772), (26, 28495774), (34, 21790886), (52, 14247887), (68, 10895443), (79, 9378356), (103, 7193108), (158, 4689178), (206, 3596554), (221, 3352444), (316, 2344589), (412, 1798277), (442, 1676222), (884, 838111), (1027, 721412), (1339, 553316), (1343, 551668), (1751, 423124), (2054, 360706), (2678, 276658), (2686, 275834), (3502, 211562), (4108, 180353), (5356, 138329), (5372, 137917), (7004, 105781), (8137, 91052), (10609, 69836), (16274, 45526), (17459, 42436), (21218, 34918), (22763, 32548)]