138768400

素因数分解:

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

素因数の和:118

約数の個数: 135

約数和(自身を含む): 363578013

約数和(自身を除く): 224809613

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 361, 380, 400, 475, 496, 589, 620, 722, 760, 775, 950, 961, 1178, 1240, 1444, 1520, 1550, 1805, 1900, 1922, 2356, 2480, 2888, 2945, 3100, 3610, 3800, 3844, 4712, 4805, 5776, 5890, 6200, 7220, 7600, 7688, 9025, 9424, 9610, 11191, 11780, 12400, 14440, 14725, 15376, 18050, 18259, 19220, 22382, 23560, 24025, 28880, 29450, 36100, 36518, 38440, 44764, 47120, 48050, 55955, 58900, 72200, 73036, 76880, 89528, 91295, 96100, 111910, 117800, 144400, 146072, 179056, 182590, 192200, 223820, 235600, 279775, 292144, 346921, 365180, 384400, 447640, 456475, 559550, 693842, 730360, 895280, 912950, 1119100, 1387684, 1460720, 1734605, 1825900, 2238200, 2775368, 3469210, 3651800, 4476400, 5550736, 6938420, 7303600, 8673025, 13876840, 17346050, 27753680, 34692100, 69384200, 138768400]

約数ペア:

[(1, 138768400), (2, 69384200), (4, 34692100), (5, 27753680), (8, 17346050), (10, 13876840), (16, 8673025), (19, 7303600), (20, 6938420), (25, 5550736), (31, 4476400), (38, 3651800), (40, 3469210), (50, 2775368), (62, 2238200), (76, 1825900), (80, 1734605), (95, 1460720), (100, 1387684), (124, 1119100), (152, 912950), (155, 895280), (190, 730360), (200, 693842), (248, 559550), (304, 456475), (310, 447640), (361, 384400), (380, 365180), (400, 346921), (475, 292144), (496, 279775), (589, 235600), (620, 223820), (722, 192200), (760, 182590), (775, 179056), (950, 146072), (961, 144400), (1178, 117800), (1240, 111910), (1444, 96100), (1520, 91295), (1550, 89528), (1805, 76880), (1900, 73036), (1922, 72200), (2356, 58900), (2480, 55955), (2888, 48050), (2945, 47120), (3100, 44764), (3610, 38440), (3800, 36518), (3844, 36100), (4712, 29450), (4805, 28880), (5776, 24025), (5890, 23560), (6200, 22382), (7220, 19220), (7600, 18259), (7688, 18050), (9025, 15376), (9424, 14725), (9610, 14440), (11191, 12400)]