209825360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 546155520

約数和(自身を除く): 336330160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 61, 62, 73, 76, 80, 95, 122, 124, 146, 152, 155, 190, 244, 248, 292, 304, 305, 310, 365, 380, 488, 496, 584, 589, 610, 620, 730, 760, 976, 1159, 1168, 1178, 1220, 1240, 1387, 1460, 1520, 1891, 2263, 2318, 2356, 2440, 2480, 2774, 2920, 2945, 3782, 4453, 4526, 4636, 4712, 4880, 5548, 5795, 5840, 5890, 6935, 7564, 8906, 9052, 9272, 9424, 9455, 11096, 11315, 11590, 11780, 13870, 15128, 17812, 18104, 18544, 18910, 22192, 22265, 22630, 23180, 23560, 27740, 30256, 35624, 35929, 36208, 37820, 42997, 44530, 45260, 46360, 47120, 55480, 71248, 71858, 75640, 84607, 85994, 89060, 90520, 92720, 110960, 138043, 143716, 151280, 169214, 171988, 178120, 179645, 181040, 214985, 276086, 287432, 338428, 343976, 356240, 359290, 423035, 429970, 552172, 574864, 676856, 687952, 690215, 718580, 846070, 859940, 1104344, 1353712, 1380430, 1437160, 1692140, 1719880, 2208688, 2622817, 2760860, 2874320, 3384280, 3439760, 5245634, 5521720, 6768560, 10491268, 11043440, 13114085, 20982536, 26228170, 41965072, 52456340, 104912680, 209825360]

約数ペア:

[(1, 209825360), (2, 104912680), (4, 52456340), (5, 41965072), (8, 26228170), (10, 20982536), (16, 13114085), (19, 11043440), (20, 10491268), (31, 6768560), (38, 5521720), (40, 5245634), (61, 3439760), (62, 3384280), (73, 2874320), (76, 2760860), (80, 2622817), (95, 2208688), (122, 1719880), (124, 1692140), (146, 1437160), (152, 1380430), (155, 1353712), (190, 1104344), (244, 859940), (248, 846070), (292, 718580), (304, 690215), (305, 687952), (310, 676856), (365, 574864), (380, 552172), (488, 429970), (496, 423035), (584, 359290), (589, 356240), (610, 343976), (620, 338428), (730, 287432), (760, 276086), (976, 214985), (1159, 181040), (1168, 179645), (1178, 178120), (1220, 171988), (1240, 169214), (1387, 151280), (1460, 143716), (1520, 138043), (1891, 110960), (2263, 92720), (2318, 90520), (2356, 89060), (2440, 85994), (2480, 84607), (2774, 75640), (2920, 71858), (2945, 71248), (3782, 55480), (4453, 47120), (4526, 46360), (4636, 45260), (4712, 44530), (4880, 42997), (5548, 37820), (5795, 36208), (5840, 35929), (5890, 35624), (6935, 30256), (7564, 27740), (8906, 23560), (9052, 23180), (9272, 22630), (9424, 22265), (9455, 22192), (11096, 18910), (11315, 18544), (11590, 18104), (11780, 17812), (13870, 15128)]