990557932

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 2383360000

約数和(自身を除く): 1392802068

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 37, 38, 49, 52, 74, 76, 79, 91, 98, 133, 148, 158, 182, 196, 247, 259, 266, 316, 343, 364, 481, 494, 518, 532, 553, 637, 686, 703, 931, 962, 988, 1027, 1036, 1106, 1274, 1372, 1406, 1501, 1729, 1813, 1862, 1924, 2054, 2212, 2548, 2812, 2923, 3002, 3367, 3458, 3626, 3724, 3871, 4108, 4459, 4921, 5846, 6004, 6517, 6734, 6916, 7189, 7252, 7742, 8918, 9139, 9842, 10507, 11692, 12103, 12691, 13034, 13468, 14378, 15484, 17836, 18278, 19513, 19684, 20461, 21014, 23569, 24206, 25382, 26068, 27097, 28756, 34447, 36556, 37999, 39026, 40922, 42028, 47138, 48412, 50323, 50764, 54194, 55537, 63973, 68894, 73549, 75998, 78052, 81844, 84721, 94276, 100646, 108388, 111074, 127946, 136591, 137788, 143227, 147098, 151996, 164983, 169442, 201292, 222148, 241129, 255892, 265993, 273182, 286454, 294196, 329966, 338884, 352261, 388759, 447811, 482258, 514843, 531986, 546364, 572908, 659932, 704522, 721981, 777518, 895622, 956137, 964516, 1002589, 1029686, 1063972, 1409044, 1443962, 1555036, 1791244, 1861951, 1912274, 2005178, 2059372, 2721313, 2887924, 3134677, 3723902, 3824548, 4010356, 5053867, 5442626, 6269354, 6692959, 7447804, 10107734, 10885252, 12538708, 13033657, 13385918, 19049191, 20215468, 26067314, 26771836, 35377069, 38098382, 52134628, 70754138, 76196764, 141508276, 247639483, 495278966, 990557932]

約数ペア:

[(1, 990557932), (2, 495278966), (4, 247639483), (7, 141508276), (13, 76196764), (14, 70754138), (19, 52134628), (26, 38098382), (28, 35377069), (37, 26771836), (38, 26067314), (49, 20215468), (52, 19049191), (74, 13385918), (76, 13033657), (79, 12538708), (91, 10885252), (98, 10107734), (133, 7447804), (148, 6692959), (158, 6269354), (182, 5442626), (196, 5053867), (247, 4010356), (259, 3824548), (266, 3723902), (316, 3134677), (343, 2887924), (364, 2721313), (481, 2059372), (494, 2005178), (518, 1912274), (532, 1861951), (553, 1791244), (637, 1555036), (686, 1443962), (703, 1409044), (931, 1063972), (962, 1029686), (988, 1002589), (1027, 964516), (1036, 956137), (1106, 895622), (1274, 777518), (1372, 721981), (1406, 704522), (1501, 659932), (1729, 572908), (1813, 546364), (1862, 531986), (1924, 514843), (2054, 482258), (2212, 447811), (2548, 388759), (2812, 352261), (2923, 338884), (3002, 329966), (3367, 294196), (3458, 286454), (3626, 273182), (3724, 265993), (3871, 255892), (4108, 241129), (4459, 222148), (4921, 201292), (5846, 169442), (6004, 164983), (6517, 151996), (6734, 147098), (6916, 143227), (7189, 137788), (7252, 136591), (7742, 127946), (8918, 111074), (9139, 108388), (9842, 100646), (10507, 94276), (11692, 84721), (12103, 81844), (12691, 78052), (13034, 75998), (13468, 73549), (14378, 68894), (15484, 63973), (17836, 55537), (18278, 54194), (19513, 50764), (19684, 50323), (20461, 48412), (21014, 47138), (23569, 42028), (24206, 40922), (25382, 39026), (26068, 37999), (27097, 36556), (28756, 34447)]