28708884400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{18541}}^1$

素因数の和:18652

約数の個数: 180

約数和(自身を含む): 81254010720

約数和(自身を除く): 52545126320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 79, 80, 98, 100, 112, 140, 158, 175, 196, 200, 245, 280, 316, 350, 392, 395, 400, 490, 553, 560, 632, 700, 784, 790, 980, 1106, 1225, 1264, 1400, 1580, 1960, 1975, 2212, 2450, 2765, 2800, 3160, 3871, 3920, 3950, 4424, 4900, 5530, 6320, 7742, 7900, 8848, 9800, 11060, 13825, 15484, 15800, 18541, 19355, 19600, 22120, 27650, 30968, 31600, 37082, 38710, 44240, 55300, 61936, 74164, 77420, 92705, 96775, 110600, 129787, 148328, 154840, 185410, 193550, 221200, 259574, 296656, 309680, 370820, 387100, 463525, 519148, 648935, 741640, 774200, 908509, 927050, 1038296, 1297870, 1464739, 1483280, 1548400, 1817018, 1854100, 2076592, 2595740, 2929478, 3244675, 3634036, 3708200, 4542545, 5191480, 5858956, 6489350, 7268072, 7323695, 7416400, 9085090, 10253173, 10382960, 11717912, 12978700, 14536144, 14647390, 18170180, 20506346, 22712725, 23435824, 25957400, 29294780, 36340360, 36618475, 41012692, 45425450, 51265865, 51914800, 58589560, 71772211, 72680720, 73236950, 82025384, 90850900, 102531730, 117179120, 143544422, 146473900, 164050768, 181701800, 205063460, 256329325, 287088844, 292947800, 358861055, 363403600, 410126920, 512658650, 574177688, 585895600, 717722110, 820253840, 1025317300, 1148355376, 1435444220, 1794305275, 2050634600, 2870888440, 3588610550, 4101269200, 5741776880, 7177221100, 14354442200, 28708884400]

約数ペア:

[(1, 28708884400), (2, 14354442200), (4, 7177221100), (5, 5741776880), (7, 4101269200), (8, 3588610550), (10, 2870888440), (14, 2050634600), (16, 1794305275), (20, 1435444220), (25, 1148355376), (28, 1025317300), (35, 820253840), (40, 717722110), (49, 585895600), (50, 574177688), (56, 512658650), (70, 410126920), (79, 363403600), (80, 358861055), (98, 292947800), (100, 287088844), (112, 256329325), (140, 205063460), (158, 181701800), (175, 164050768), (196, 146473900), (200, 143544422), (245, 117179120), (280, 102531730), (316, 90850900), (350, 82025384), (392, 73236950), (395, 72680720), (400, 71772211), (490, 58589560), (553, 51914800), (560, 51265865), (632, 45425450), (700, 41012692), (784, 36618475), (790, 36340360), (980, 29294780), (1106, 25957400), (1225, 23435824), (1264, 22712725), (1400, 20506346), (1580, 18170180), (1960, 14647390), (1975, 14536144), (2212, 12978700), (2450, 11717912), (2765, 10382960), (2800, 10253173), (3160, 9085090), (3871, 7416400), (3920, 7323695), (3950, 7268072), (4424, 6489350), (4900, 5858956), (5530, 5191480), (6320, 4542545), (7742, 3708200), (7900, 3634036), (8848, 3244675), (9800, 2929478), (11060, 2595740), (13825, 2076592), (15484, 1854100), (15800, 1817018), (18541, 1548400), (19355, 1483280), (19600, 1464739), (22120, 1297870), (27650, 1038296), (30968, 927050), (31600, 908509), (37082, 774200), (38710, 741640), (44240, 648935), (55300, 519148), (61936, 463525), (74164, 387100), (77420, 370820), (92705, 309680), (96775, 296656), (110600, 259574), (129787, 221200), (148328, 193550), (154840, 185410)]