28912380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 100251648

約数和(自身を除く): 71339268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 41, 42, 46, 60, 69, 70, 73, 82, 84, 92, 105, 115, 123, 138, 140, 146, 161, 164, 205, 210, 219, 230, 246, 276, 287, 292, 322, 345, 365, 410, 420, 438, 460, 483, 492, 511, 574, 615, 644, 690, 730, 805, 820, 861, 876, 943, 966, 1022, 1095, 1148, 1230, 1380, 1435, 1460, 1533, 1610, 1679, 1722, 1886, 1932, 2044, 2190, 2415, 2460, 2555, 2829, 2870, 2993, 3066, 3220, 3358, 3444, 3772, 4305, 4380, 4715, 4830, 5037, 5110, 5658, 5740, 5986, 6132, 6601, 6716, 7665, 8395, 8610, 8979, 9430, 9660, 10074, 10220, 11316, 11753, 11972, 13202, 14145, 14965, 15330, 16790, 17220, 17958, 18860, 19803, 20148, 20951, 23506, 25185, 26404, 28290, 29930, 30660, 33005, 33580, 35259, 35916, 39606, 41902, 44895, 47012, 50370, 56580, 58765, 59860, 62853, 66010, 68839, 70518, 79212, 83804, 89790, 99015, 100740, 104755, 117530, 125706, 132020, 137678, 141036, 176295, 179580, 198030, 206517, 209510, 235060, 251412, 275356, 314265, 344195, 352590, 396060, 413034, 419020, 481873, 628530, 688390, 705180, 826068, 963746, 1032585, 1257060, 1376780, 1445619, 1927492, 2065170, 2409365, 2891238, 4130340, 4818730, 5782476, 7228095, 9637460, 14456190, 28912380]

約数ペア:

[(1, 28912380), (2, 14456190), (3, 9637460), (4, 7228095), (5, 5782476), (6, 4818730), (7, 4130340), (10, 2891238), (12, 2409365), (14, 2065170), (15, 1927492), (20, 1445619), (21, 1376780), (23, 1257060), (28, 1032585), (30, 963746), (35, 826068), (41, 705180), (42, 688390), (46, 628530), (60, 481873), (69, 419020), (70, 413034), (73, 396060), (82, 352590), (84, 344195), (92, 314265), (105, 275356), (115, 251412), (123, 235060), (138, 209510), (140, 206517), (146, 198030), (161, 179580), (164, 176295), (205, 141036), (210, 137678), (219, 132020), (230, 125706), (246, 117530), (276, 104755), (287, 100740), (292, 99015), (322, 89790), (345, 83804), (365, 79212), (410, 70518), (420, 68839), (438, 66010), (460, 62853), (483, 59860), (492, 58765), (511, 56580), (574, 50370), (615, 47012), (644, 44895), (690, 41902), (730, 39606), (805, 35916), (820, 35259), (861, 33580), (876, 33005), (943, 30660), (966, 29930), (1022, 28290), (1095, 26404), (1148, 25185), (1230, 23506), (1380, 20951), (1435, 20148), (1460, 19803), (1533, 18860), (1610, 17958), (1679, 17220), (1722, 16790), (1886, 15330), (1932, 14965), (2044, 14145), (2190, 13202), (2415, 11972), (2460, 11753), (2555, 11316), (2829, 10220), (2870, 10074), (2993, 9660), (3066, 9430), (3220, 8979), (3358, 8610), (3444, 8395), (3772, 7665), (4305, 6716), (4380, 6601), (4715, 6132), (4830, 5986), (5037, 5740), (5110, 5658)]