206639440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19421}}^1$

素因数の和:19460

約数の個数: 80

約数和(自身を含む): 577998720

約数和(自身を除く): 371359280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 19421, 38842, 77684, 97105, 135947, 155368, 194210, 271894, 310736, 368999, 388420, 543788, 679735, 737998, 776840, 1087576, 1359470, 1475996, 1553680, 1844995, 2175152, 2582993, 2718940, 2951992, 3689990, 5165986, 5437880, 5903984, 7379980, 10331972, 10875760, 12914965, 14759960, 20663944, 25829930, 29519920, 41327888, 51659860, 103319720, 206639440]

約数ペア:

[(1, 206639440), (2, 103319720), (4, 51659860), (5, 41327888), (7, 29519920), (8, 25829930), (10, 20663944), (14, 14759960), (16, 12914965), (19, 10875760), (20, 10331972), (28, 7379980), (35, 5903984), (38, 5437880), (40, 5165986), (56, 3689990), (70, 2951992), (76, 2718940), (80, 2582993), (95, 2175152), (112, 1844995), (133, 1553680), (140, 1475996), (152, 1359470), (190, 1087576), (266, 776840), (280, 737998), (304, 679735), (380, 543788), (532, 388420), (560, 368999), (665, 310736), (760, 271894), (1064, 194210), (1330, 155368), (1520, 135947), (2128, 97105), (2660, 77684), (5320, 38842), (10640, 19421)]