205730260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 479001600

約数和(自身を除く): 273271340

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 131, 149, 155, 170, 262, 298, 310, 340, 524, 527, 596, 620, 655, 745, 1054, 1310, 1490, 2108, 2227, 2533, 2620, 2635, 2980, 4061, 4454, 4619, 5066, 5270, 8122, 8908, 9238, 10132, 10540, 11135, 12665, 16244, 18476, 19519, 20305, 22270, 23095, 25330, 39038, 40610, 44540, 46190, 50660, 69037, 78076, 78523, 81220, 92380, 97595, 138074, 157046, 195190, 276148, 314092, 331823, 345185, 390380, 392615, 605089, 663646, 690370, 785230, 1210178, 1327292, 1380740, 1570460, 1659115, 2420356, 3025445, 3318230, 6050890, 6636460, 10286513, 12101780, 20573026, 41146052, 51432565, 102865130, 205730260]

約数ペア:

[(1, 205730260), (2, 102865130), (4, 51432565), (5, 41146052), (10, 20573026), (17, 12101780), (20, 10286513), (31, 6636460), (34, 6050890), (62, 3318230), (68, 3025445), (85, 2420356), (124, 1659115), (131, 1570460), (149, 1380740), (155, 1327292), (170, 1210178), (262, 785230), (298, 690370), (310, 663646), (340, 605089), (524, 392615), (527, 390380), (596, 345185), (620, 331823), (655, 314092), (745, 276148), (1054, 195190), (1310, 157046), (1490, 138074), (2108, 97595), (2227, 92380), (2533, 81220), (2620, 78523), (2635, 78076), (2980, 69037), (4061, 50660), (4454, 46190), (4619, 44540), (5066, 40610), (5270, 39038), (8122, 25330), (8908, 23095), (9238, 22270), (10132, 20305), (10540, 19519), (11135, 18476), (12665, 16244)]