28897890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 85819392

約数和(自身を除く): 56921502

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 31, 35, 42, 46, 62, 69, 70, 93, 105, 115, 138, 155, 161, 186, 193, 210, 217, 230, 310, 322, 345, 386, 434, 465, 483, 579, 651, 690, 713, 805, 930, 965, 966, 1085, 1158, 1302, 1351, 1426, 1610, 1930, 2139, 2170, 2415, 2702, 2895, 3255, 3565, 4053, 4278, 4439, 4830, 4991, 5790, 5983, 6510, 6755, 7130, 8106, 8878, 9982, 10695, 11966, 13317, 13510, 14973, 17949, 20265, 21390, 22195, 24955, 26634, 29915, 29946, 31073, 35898, 40530, 41881, 44390, 49910, 59830, 62146, 66585, 74865, 83762, 89745, 93219, 125643, 133170, 137609, 149730, 155365, 179490, 186438, 209405, 251286, 275218, 310730, 412827, 418810, 466095, 628215, 688045, 825654, 932190, 963263, 1256430, 1376090, 1926526, 2064135, 2889789, 4128270, 4816315, 5779578, 9632630, 14448945, 28897890]

約数ペア:

[(1, 28897890), (2, 14448945), (3, 9632630), (5, 5779578), (6, 4816315), (7, 4128270), (10, 2889789), (14, 2064135), (15, 1926526), (21, 1376090), (23, 1256430), (30, 963263), (31, 932190), (35, 825654), (42, 688045), (46, 628215), (62, 466095), (69, 418810), (70, 412827), (93, 310730), (105, 275218), (115, 251286), (138, 209405), (155, 186438), (161, 179490), (186, 155365), (193, 149730), (210, 137609), (217, 133170), (230, 125643), (310, 93219), (322, 89745), (345, 83762), (386, 74865), (434, 66585), (465, 62146), (483, 59830), (579, 49910), (651, 44390), (690, 41881), (713, 40530), (805, 35898), (930, 31073), (965, 29946), (966, 29915), (1085, 26634), (1158, 24955), (1302, 22195), (1351, 21390), (1426, 20265), (1610, 17949), (1930, 14973), (2139, 13510), (2170, 13317), (2415, 11966), (2702, 10695), (2895, 9982), (3255, 8878), (3565, 8106), (4053, 7130), (4278, 6755), (4439, 6510), (4830, 5983), (4991, 5790)]