190281420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:805

約数の個数: 192

約数和(自身を含む): 687052800

約数和(自身を除く): 496771380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 84, 90, 105, 108, 126, 135, 140, 142, 180, 189, 210, 213, 252, 270, 284, 315, 355, 378, 420, 426, 497, 540, 630, 639, 709, 710, 756, 852, 945, 994, 1065, 1260, 1278, 1418, 1420, 1491, 1890, 1917, 1988, 2127, 2130, 2485, 2556, 2836, 2982, 3195, 3545, 3780, 3834, 4254, 4260, 4473, 4963, 4970, 5964, 6381, 6390, 7090, 7455, 7668, 8508, 8946, 9585, 9926, 9940, 10635, 12762, 12780, 13419, 14180, 14889, 14910, 17892, 19143, 19170, 19852, 21270, 22365, 24815, 25524, 26838, 29778, 29820, 31905, 38286, 38340, 42540, 44667, 44730, 49630, 50339, 53676, 59556, 63810, 67095, 74445, 76572, 89334, 89460, 95715, 99260, 100678, 127620, 134001, 134190, 148890, 151017, 178668, 191430, 201356, 223335, 251695, 268002, 268380, 297780, 302034, 352373, 382860, 446670, 453051, 503390, 536004, 604068, 670005, 704746, 755085, 893340, 906102, 1006780, 1057119, 1340010, 1359153, 1409492, 1510170, 1761865, 1812204, 2114238, 2265255, 2680020, 2718306, 3020340, 3171357, 3523730, 4228476, 4530510, 5285595, 5436612, 6342714, 6795765, 7047460, 9061020, 9514071, 10571190, 12685428, 13591530, 15856785, 19028142, 21142380, 27183060, 31713570, 38056284, 47570355, 63427140, 95140710, 190281420]

約数ペア:

[(1, 190281420), (2, 95140710), (3, 63427140), (4, 47570355), (5, 38056284), (6, 31713570), (7, 27183060), (9, 21142380), (10, 19028142), (12, 15856785), (14, 13591530), (15, 12685428), (18, 10571190), (20, 9514071), (21, 9061020), (27, 7047460), (28, 6795765), (30, 6342714), (35, 5436612), (36, 5285595), (42, 4530510), (45, 4228476), (54, 3523730), (60, 3171357), (63, 3020340), (70, 2718306), (71, 2680020), (84, 2265255), (90, 2114238), (105, 1812204), (108, 1761865), (126, 1510170), (135, 1409492), (140, 1359153), (142, 1340010), (180, 1057119), (189, 1006780), (210, 906102), (213, 893340), (252, 755085), (270, 704746), (284, 670005), (315, 604068), (355, 536004), (378, 503390), (420, 453051), (426, 446670), (497, 382860), (540, 352373), (630, 302034), (639, 297780), (709, 268380), (710, 268002), (756, 251695), (852, 223335), (945, 201356), (994, 191430), (1065, 178668), (1260, 151017), (1278, 148890), (1418, 134190), (1420, 134001), (1491, 127620), (1890, 100678), (1917, 99260), (1988, 95715), (2127, 89460), (2130, 89334), (2485, 76572), (2556, 74445), (2836, 67095), (2982, 63810), (3195, 59556), (3545, 53676), (3780, 50339), (3834, 49630), (4254, 44730), (4260, 44667), (4473, 42540), (4963, 38340), (4970, 38286), (5964, 31905), (6381, 29820), (6390, 29778), (7090, 26838), (7455, 25524), (7668, 24815), (8508, 22365), (8946, 21270), (9585, 19852), (9926, 19170), (9940, 19143), (10635, 17892), (12762, 14910), (12780, 14889), (13419, 14180)]