187857140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 436091040

約数和(自身を除く): 248233900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 109, 137, 148, 170, 185, 218, 274, 340, 370, 436, 545, 548, 629, 685, 740, 1090, 1258, 1370, 1853, 2180, 2329, 2516, 2740, 3145, 3706, 4033, 4658, 5069, 6290, 7412, 8066, 9265, 9316, 10138, 11645, 12580, 14933, 16132, 18530, 20165, 20276, 23290, 25345, 29866, 37060, 40330, 46580, 50690, 59732, 68561, 74665, 80660, 86173, 101380, 137122, 149330, 172346, 253861, 274244, 298660, 342805, 344692, 430865, 507722, 552521, 685610, 861730, 1015444, 1105042, 1269305, 1371220, 1723460, 2210084, 2538610, 2762605, 5077220, 5525210, 9392857, 11050420, 18785714, 37571428, 46964285, 93928570, 187857140]

約数ペア:

[(1, 187857140), (2, 93928570), (4, 46964285), (5, 37571428), (10, 18785714), (17, 11050420), (20, 9392857), (34, 5525210), (37, 5077220), (68, 2762605), (74, 2538610), (85, 2210084), (109, 1723460), (137, 1371220), (148, 1269305), (170, 1105042), (185, 1015444), (218, 861730), (274, 685610), (340, 552521), (370, 507722), (436, 430865), (545, 344692), (548, 342805), (629, 298660), (685, 274244), (740, 253861), (1090, 172346), (1258, 149330), (1370, 137122), (1853, 101380), (2180, 86173), (2329, 80660), (2516, 74665), (2740, 68561), (3145, 59732), (3706, 50690), (4033, 46580), (4658, 40330), (5069, 37060), (6290, 29866), (7412, 25345), (8066, 23290), (9265, 20276), (9316, 20165), (10138, 18530), (11645, 16132), (12580, 14933)]