187896890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 389753856

約数和(自身を除く): 201856966

約数列:

[1, 2, 5, 10, 19, 23, 31, 38, 46, 62, 73, 95, 115, 146, 155, 190, 230, 310, 361, 365, 437, 589, 713, 722, 730, 874, 1178, 1387, 1426, 1679, 1805, 2185, 2263, 2774, 2945, 3358, 3565, 3610, 4370, 4526, 5890, 6935, 7130, 8303, 8395, 11191, 11315, 13547, 13870, 16606, 16790, 22382, 22630, 26353, 27094, 31901, 41515, 42997, 52049, 52706, 55955, 63802, 67735, 83030, 85994, 104098, 111910, 131765, 135470, 159505, 214985, 257393, 260245, 263530, 319010, 429970, 514786, 520490, 606119, 816943, 988931, 1212238, 1286965, 1633886, 1977862, 2573930, 3030595, 4084715, 4944655, 6061190, 8169430, 9889310, 18789689, 37579378, 93948445, 187896890]

約数ペア:

[(1, 187896890), (2, 93948445), (5, 37579378), (10, 18789689), (19, 9889310), (23, 8169430), (31, 6061190), (38, 4944655), (46, 4084715), (62, 3030595), (73, 2573930), (95, 1977862), (115, 1633886), (146, 1286965), (155, 1212238), (190, 988931), (230, 816943), (310, 606119), (361, 520490), (365, 514786), (437, 429970), (589, 319010), (713, 263530), (722, 260245), (730, 257393), (874, 214985), (1178, 159505), (1387, 135470), (1426, 131765), (1679, 111910), (1805, 104098), (2185, 85994), (2263, 83030), (2774, 67735), (2945, 63802), (3358, 55955), (3565, 52706), (3610, 52049), (4370, 42997), (4526, 41515), (5890, 31901), (6935, 27094), (7130, 26353), (8303, 22630), (8395, 22382), (11191, 16790), (11315, 16606), (13547, 13870)]