1986145980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2617}}^1$

素因数の和:2788

約数の個数: 192

約数和(自身を含む): 6896440320

約数和(自身を除く): 4910294340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 139, 140, 156, 182, 195, 210, 260, 273, 278, 364, 390, 417, 420, 455, 546, 556, 695, 780, 834, 910, 973, 1092, 1365, 1390, 1668, 1807, 1820, 1946, 2085, 2617, 2730, 2780, 2919, 3614, 3892, 4170, 4865, 5234, 5421, 5460, 5838, 7228, 7851, 8340, 9035, 9730, 10468, 10842, 11676, 12649, 13085, 14595, 15702, 18070, 18319, 19460, 21684, 25298, 26170, 27105, 29190, 31404, 34021, 36140, 36638, 37947, 39255, 50596, 52340, 54210, 54957, 58380, 63245, 68042, 73276, 75894, 78510, 91595, 102063, 108420, 109914, 126490, 136084, 151788, 157020, 170105, 183190, 189735, 204126, 219828, 238147, 252980, 274785, 340210, 363763, 366380, 379470, 408252, 476294, 510315, 549570, 680420, 714441, 727526, 758940, 952588, 1020630, 1091289, 1099140, 1190735, 1428882, 1455052, 1818815, 2041260, 2182578, 2381470, 2546341, 2857764, 3572205, 3637630, 4365156, 4728919, 4762940, 5092682, 5456445, 7144410, 7275260, 7639023, 9457838, 10185364, 10912890, 12731705, 14186757, 14288820, 15278046, 18915676, 21825780, 23644595, 25463410, 28373514, 30556092, 33102433, 38195115, 47289190, 50926820, 56747028, 66204866, 70933785, 76390230, 94578380, 99307299, 132409732, 141867570, 152780460, 165512165, 198614598, 283735140, 331024330, 397229196, 496536495, 662048660, 993072990, 1986145980]

約数ペア:

[(1, 1986145980), (2, 993072990), (3, 662048660), (4, 496536495), (5, 397229196), (6, 331024330), (7, 283735140), (10, 198614598), (12, 165512165), (13, 152780460), (14, 141867570), (15, 132409732), (20, 99307299), (21, 94578380), (26, 76390230), (28, 70933785), (30, 66204866), (35, 56747028), (39, 50926820), (42, 47289190), (52, 38195115), (60, 33102433), (65, 30556092), (70, 28373514), (78, 25463410), (84, 23644595), (91, 21825780), (105, 18915676), (130, 15278046), (139, 14288820), (140, 14186757), (156, 12731705), (182, 10912890), (195, 10185364), (210, 9457838), (260, 7639023), (273, 7275260), (278, 7144410), (364, 5456445), (390, 5092682), (417, 4762940), (420, 4728919), (455, 4365156), (546, 3637630), (556, 3572205), (695, 2857764), (780, 2546341), (834, 2381470), (910, 2182578), (973, 2041260), (1092, 1818815), (1365, 1455052), (1390, 1428882), (1668, 1190735), (1807, 1099140), (1820, 1091289), (1946, 1020630), (2085, 952588), (2617, 758940), (2730, 727526), (2780, 714441), (2919, 680420), (3614, 549570), (3892, 510315), (4170, 476294), (4865, 408252), (5234, 379470), (5421, 366380), (5460, 363763), (5838, 340210), (7228, 274785), (7851, 252980), (8340, 238147), (9035, 219828), (9730, 204126), (10468, 189735), (10842, 183190), (11676, 170105), (12649, 157020), (13085, 151788), (14595, 136084), (15702, 126490), (18070, 109914), (18319, 108420), (19460, 102063), (21684, 91595), (25298, 78510), (26170, 75894), (27105, 73276), (29190, 68042), (31404, 63245), (34021, 58380), (36140, 54957), (36638, 54210), (37947, 52340), (39255, 50596)]