131080400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^3$

素因数の和:122

約数の個数: 120

約数和(自身を含む): 355001088

約数和(自身を除く): 223920688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 176, 200, 220, 248, 275, 310, 341, 400, 440, 496, 550, 620, 682, 775, 880, 961, 1100, 1240, 1364, 1550, 1705, 1922, 2200, 2480, 2728, 3100, 3410, 3844, 4400, 4805, 5456, 6200, 6820, 7688, 8525, 9610, 10571, 12400, 13640, 15376, 17050, 19220, 21142, 24025, 27280, 29791, 34100, 38440, 42284, 48050, 52855, 59582, 68200, 76880, 84568, 96100, 105710, 119164, 136400, 148955, 169136, 192200, 211420, 238328, 264275, 297910, 327701, 384400, 422840, 476656, 528550, 595820, 655402, 744775, 845680, 1057100, 1191640, 1310804, 1489550, 1638505, 2114200, 2383280, 2621608, 2979100, 3277010, 4228400, 5243216, 5958200, 6554020, 8192525, 11916400, 13108040, 16385050, 26216080, 32770100, 65540200, 131080400]

約数ペア:

[(1, 131080400), (2, 65540200), (4, 32770100), (5, 26216080), (8, 16385050), (10, 13108040), (11, 11916400), (16, 8192525), (20, 6554020), (22, 5958200), (25, 5243216), (31, 4228400), (40, 3277010), (44, 2979100), (50, 2621608), (55, 2383280), (62, 2114200), (80, 1638505), (88, 1489550), (100, 1310804), (110, 1191640), (124, 1057100), (155, 845680), (176, 744775), (200, 655402), (220, 595820), (248, 528550), (275, 476656), (310, 422840), (341, 384400), (400, 327701), (440, 297910), (496, 264275), (550, 238328), (620, 211420), (682, 192200), (775, 169136), (880, 148955), (961, 136400), (1100, 119164), (1240, 105710), (1364, 96100), (1550, 84568), (1705, 76880), (1922, 68200), (2200, 59582), (2480, 52855), (2728, 48050), (3100, 42284), (3410, 38440), (3844, 34100), (4400, 29791), (4805, 27280), (5456, 24025), (6200, 21142), (6820, 19220), (7688, 17050), (8525, 15376), (9610, 13640), (10571, 12400)]