199445440

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 112

約数和(自身を含む): 493776000

約数和(自身を除く): 294330560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 89, 94, 149, 160, 178, 188, 235, 298, 320, 356, 376, 445, 470, 596, 712, 745, 752, 890, 940, 1192, 1424, 1490, 1504, 1780, 1880, 2384, 2848, 2980, 3008, 3560, 3760, 4183, 4768, 5696, 5960, 7003, 7120, 7520, 8366, 9536, 11920, 13261, 14006, 14240, 15040, 16732, 20915, 23840, 26522, 28012, 28480, 33464, 35015, 41830, 47680, 53044, 56024, 66305, 66928, 70030, 83660, 106088, 112048, 132610, 133856, 140060, 167320, 212176, 224096, 265220, 267712, 280120, 334640, 424352, 448192, 530440, 560240, 623267, 669280, 848704, 1060880, 1120480, 1246534, 1338560, 2121760, 2240960, 2493068, 3116335, 4243520, 4986136, 6232670, 9972272, 12465340, 19944544, 24930680, 39889088, 49861360, 99722720, 199445440]

約数ペア:

[(1, 199445440), (2, 99722720), (4, 49861360), (5, 39889088), (8, 24930680), (10, 19944544), (16, 12465340), (20, 9972272), (32, 6232670), (40, 4986136), (47, 4243520), (64, 3116335), (80, 2493068), (89, 2240960), (94, 2121760), (149, 1338560), (160, 1246534), (178, 1120480), (188, 1060880), (235, 848704), (298, 669280), (320, 623267), (356, 560240), (376, 530440), (445, 448192), (470, 424352), (596, 334640), (712, 280120), (745, 267712), (752, 265220), (890, 224096), (940, 212176), (1192, 167320), (1424, 140060), (1490, 133856), (1504, 132610), (1780, 112048), (1880, 106088), (2384, 83660), (2848, 70030), (2980, 66928), (3008, 66305), (3560, 56024), (3760, 53044), (4183, 47680), (4768, 41830), (5696, 35015), (5960, 33464), (7003, 28480), (7120, 28012), (7520, 26522), (8366, 23840), (9536, 20915), (11920, 16732), (13261, 15040), (14006, 14240)]