391489452

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:596

約数の個数: 144

約数和(自身を含む): 1106560000

約数和(自身を除く): 715070548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 37, 38, 57, 62, 74, 76, 93, 111, 114, 124, 148, 171, 186, 222, 228, 279, 333, 342, 372, 444, 499, 558, 589, 666, 684, 703, 998, 1116, 1147, 1178, 1332, 1406, 1497, 1767, 1996, 2109, 2294, 2356, 2812, 2994, 3441, 3534, 4218, 4491, 4588, 5301, 5988, 6327, 6882, 7068, 8436, 8982, 9481, 10323, 10602, 12654, 13764, 15469, 17964, 18463, 18962, 20646, 21204, 21793, 25308, 28443, 30938, 36926, 37924, 41292, 43586, 46407, 55389, 56886, 61876, 65379, 73852, 85329, 87172, 92814, 110778, 113772, 130758, 139221, 166167, 170658, 185628, 196137, 221556, 261516, 278442, 293911, 332334, 341316, 350797, 392274, 556884, 572353, 587822, 664668, 701594, 784548, 881733, 1052391, 1144706, 1175644, 1403188, 1717059, 1763466, 2104782, 2289412, 2645199, 3157173, 3434118, 3526932, 4209564, 5151177, 5290398, 6314346, 6868236, 10302354, 10580796, 10874707, 12628692, 20604708, 21749414, 32624121, 43498828, 65248242, 97872363, 130496484, 195744726, 391489452]

約数ペア:

[(1, 391489452), (2, 195744726), (3, 130496484), (4, 97872363), (6, 65248242), (9, 43498828), (12, 32624121), (18, 21749414), (19, 20604708), (31, 12628692), (36, 10874707), (37, 10580796), (38, 10302354), (57, 6868236), (62, 6314346), (74, 5290398), (76, 5151177), (93, 4209564), (111, 3526932), (114, 3434118), (124, 3157173), (148, 2645199), (171, 2289412), (186, 2104782), (222, 1763466), (228, 1717059), (279, 1403188), (333, 1175644), (342, 1144706), (372, 1052391), (444, 881733), (499, 784548), (558, 701594), (589, 664668), (666, 587822), (684, 572353), (703, 556884), (998, 392274), (1116, 350797), (1147, 341316), (1178, 332334), (1332, 293911), (1406, 278442), (1497, 261516), (1767, 221556), (1996, 196137), (2109, 185628), (2294, 170658), (2356, 166167), (2812, 139221), (2994, 130758), (3441, 113772), (3534, 110778), (4218, 92814), (4491, 87172), (4588, 85329), (5301, 73852), (5988, 65379), (6327, 61876), (6882, 56886), (7068, 55389), (8436, 46407), (8982, 43586), (9481, 41292), (10323, 37924), (10602, 36926), (12654, 30938), (13764, 28443), (15469, 25308), (17964, 21793), (18463, 21204), (18962, 20646)]