128966200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 343538280

約数和(自身を除く): 214572080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 61, 62, 88, 100, 110, 122, 124, 155, 200, 220, 244, 248, 275, 305, 310, 341, 440, 488, 550, 610, 620, 671, 682, 775, 961, 1100, 1220, 1240, 1342, 1364, 1525, 1550, 1705, 1891, 1922, 2200, 2440, 2684, 2728, 3050, 3100, 3355, 3410, 3782, 3844, 4805, 5368, 6100, 6200, 6710, 6820, 7564, 7688, 8525, 9455, 9610, 10571, 12200, 13420, 13640, 15128, 16775, 17050, 18910, 19220, 20801, 21142, 24025, 26840, 33550, 34100, 37820, 38440, 41602, 42284, 47275, 48050, 52855, 58621, 67100, 68200, 75640, 83204, 84568, 94550, 96100, 104005, 105710, 117242, 134200, 166408, 189100, 192200, 208010, 211420, 234484, 264275, 293105, 378200, 416020, 422840, 468968, 520025, 528550, 586210, 644831, 832040, 1040050, 1057100, 1172420, 1289662, 1465525, 2080100, 2114200, 2344840, 2579324, 2931050, 3224155, 4160200, 5158648, 5862100, 6448310, 11724200, 12896620, 16120775, 25793240, 32241550, 64483100, 128966200]

約数ペア:

[(1, 128966200), (2, 64483100), (4, 32241550), (5, 25793240), (8, 16120775), (10, 12896620), (11, 11724200), (20, 6448310), (22, 5862100), (25, 5158648), (31, 4160200), (40, 3224155), (44, 2931050), (50, 2579324), (55, 2344840), (61, 2114200), (62, 2080100), (88, 1465525), (100, 1289662), (110, 1172420), (122, 1057100), (124, 1040050), (155, 832040), (200, 644831), (220, 586210), (244, 528550), (248, 520025), (275, 468968), (305, 422840), (310, 416020), (341, 378200), (440, 293105), (488, 264275), (550, 234484), (610, 211420), (620, 208010), (671, 192200), (682, 189100), (775, 166408), (961, 134200), (1100, 117242), (1220, 105710), (1240, 104005), (1342, 96100), (1364, 94550), (1525, 84568), (1550, 83204), (1705, 75640), (1891, 68200), (1922, 67100), (2200, 58621), (2440, 52855), (2684, 48050), (2728, 47275), (3050, 42284), (3100, 41602), (3355, 38440), (3410, 37820), (3782, 34100), (3844, 33550), (4805, 26840), (5368, 24025), (6100, 21142), (6200, 20801), (6710, 19220), (6820, 18910), (7564, 17050), (7688, 16775), (8525, 15128), (9455, 13640), (9610, 13420), (10571, 12200)]