290775660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1044

約数の個数: 192

約数和(自身を含む): 1003290624

約数和(自身を除く): 712514964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 31, 35, 42, 46, 60, 62, 69, 70, 84, 92, 93, 105, 115, 124, 138, 140, 155, 161, 186, 210, 217, 230, 276, 310, 322, 345, 372, 420, 434, 460, 465, 483, 620, 644, 651, 690, 713, 805, 868, 930, 966, 971, 1085, 1302, 1380, 1426, 1610, 1860, 1932, 1942, 2139, 2170, 2415, 2604, 2852, 2913, 3220, 3255, 3565, 3884, 4278, 4340, 4830, 4855, 4991, 5826, 6510, 6797, 7130, 8556, 9660, 9710, 9982, 10695, 11652, 13020, 13594, 14260, 14565, 14973, 19420, 19964, 20391, 21390, 22333, 24955, 27188, 29130, 29946, 30101, 33985, 40782, 42780, 44666, 49910, 58260, 59892, 60202, 66999, 67970, 74865, 81564, 89332, 90303, 99820, 101955, 111665, 120404, 133998, 135940, 149730, 150505, 156331, 180606, 203910, 210707, 223330, 267996, 299460, 301010, 312662, 334995, 361212, 407820, 421414, 446660, 451515, 468993, 602020, 625324, 632121, 669990, 692323, 781655, 842828, 903030, 937986, 1053535, 1264242, 1339980, 1384646, 1563310, 1806060, 1875972, 2076969, 2107070, 2344965, 2528484, 2769292, 3126620, 3160605, 3461615, 4153938, 4214140, 4689930, 4846261, 6321210, 6923230, 8307876, 9379860, 9692522, 10384845, 12642420, 13846460, 14538783, 19385044, 20769690, 24231305, 29077566, 41539380, 48462610, 58155132, 72693915, 96925220, 145387830, 290775660]

約数ペア:

[(1, 290775660), (2, 145387830), (3, 96925220), (4, 72693915), (5, 58155132), (6, 48462610), (7, 41539380), (10, 29077566), (12, 24231305), (14, 20769690), (15, 19385044), (20, 14538783), (21, 13846460), (23, 12642420), (28, 10384845), (30, 9692522), (31, 9379860), (35, 8307876), (42, 6923230), (46, 6321210), (60, 4846261), (62, 4689930), (69, 4214140), (70, 4153938), (84, 3461615), (92, 3160605), (93, 3126620), (105, 2769292), (115, 2528484), (124, 2344965), (138, 2107070), (140, 2076969), (155, 1875972), (161, 1806060), (186, 1563310), (210, 1384646), (217, 1339980), (230, 1264242), (276, 1053535), (310, 937986), (322, 903030), (345, 842828), (372, 781655), (420, 692323), (434, 669990), (460, 632121), (465, 625324), (483, 602020), (620, 468993), (644, 451515), (651, 446660), (690, 421414), (713, 407820), (805, 361212), (868, 334995), (930, 312662), (966, 301010), (971, 299460), (1085, 267996), (1302, 223330), (1380, 210707), (1426, 203910), (1610, 180606), (1860, 156331), (1932, 150505), (1942, 149730), (2139, 135940), (2170, 133998), (2415, 120404), (2604, 111665), (2852, 101955), (2913, 99820), (3220, 90303), (3255, 89332), (3565, 81564), (3884, 74865), (4278, 67970), (4340, 66999), (4830, 60202), (4855, 59892), (4991, 58260), (5826, 49910), (6510, 44666), (6797, 42780), (7130, 40782), (8556, 33985), (9660, 30101), (9710, 29946), (9982, 29130), (10695, 27188), (11652, 24955), (13020, 22333), (13594, 21390), (14260, 20391), (14565, 19964), (14973, 19420)]