220868180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 524590080

約数和(自身を除く): 303721900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 67, 124, 130, 134, 155, 260, 268, 310, 335, 403, 409, 620, 670, 806, 818, 871, 1340, 1612, 1636, 1742, 2015, 2045, 2077, 3484, 4030, 4090, 4154, 4355, 5317, 8060, 8180, 8308, 8710, 10385, 10634, 12679, 17420, 20770, 21268, 25358, 26585, 27001, 27403, 41540, 50716, 53170, 54002, 54806, 63395, 106340, 108004, 109612, 126790, 135005, 137015, 164827, 253580, 270010, 274030, 329654, 356239, 540020, 548060, 659308, 712478, 824135, 849493, 1424956, 1648270, 1698986, 1781195, 3296540, 3397972, 3562390, 4247465, 7124780, 8494930, 11043409, 16989860, 22086818, 44173636, 55217045, 110434090, 220868180]

約数ペア:

[(1, 220868180), (2, 110434090), (4, 55217045), (5, 44173636), (10, 22086818), (13, 16989860), (20, 11043409), (26, 8494930), (31, 7124780), (52, 4247465), (62, 3562390), (65, 3397972), (67, 3296540), (124, 1781195), (130, 1698986), (134, 1648270), (155, 1424956), (260, 849493), (268, 824135), (310, 712478), (335, 659308), (403, 548060), (409, 540020), (620, 356239), (670, 329654), (806, 274030), (818, 270010), (871, 253580), (1340, 164827), (1612, 137015), (1636, 135005), (1742, 126790), (2015, 109612), (2045, 108004), (2077, 106340), (3484, 63395), (4030, 54806), (4090, 54002), (4154, 53170), (4355, 50716), (5317, 41540), (8060, 27403), (8180, 27001), (8308, 26585), (8710, 25358), (10385, 21268), (10634, 20770), (12679, 17420)]