198874672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 428544000

約数和(自身を除く): 229669328

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 47, 62, 76, 94, 124, 152, 188, 248, 304, 376, 449, 496, 589, 752, 893, 898, 1178, 1457, 1786, 1796, 2356, 2914, 3572, 3592, 4712, 5828, 7144, 7184, 8531, 9424, 11656, 13919, 14288, 17062, 21103, 23312, 27683, 27838, 34124, 42206, 55366, 55676, 68248, 84412, 110732, 111352, 136496, 168824, 221464, 222704, 264461, 337648, 400957, 442928, 528922, 654193, 801914, 1057844, 1308386, 1603828, 2115688, 2616772, 3207656, 4231376, 5233544, 6415312, 10467088, 12429667, 24859334, 49718668, 99437336, 198874672]

約数ペア:

[(1, 198874672), (2, 99437336), (4, 49718668), (8, 24859334), (16, 12429667), (19, 10467088), (31, 6415312), (38, 5233544), (47, 4231376), (62, 3207656), (76, 2616772), (94, 2115688), (124, 1603828), (152, 1308386), (188, 1057844), (248, 801914), (304, 654193), (376, 528922), (449, 442928), (496, 400957), (589, 337648), (752, 264461), (893, 222704), (898, 221464), (1178, 168824), (1457, 136496), (1786, 111352), (1796, 110732), (2356, 84412), (2914, 68248), (3572, 55676), (3592, 55366), (4712, 42206), (5828, 34124), (7144, 27838), (7184, 27683), (8531, 23312), (9424, 21103), (11656, 17062), (13919, 14288)]