145216400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 180

約数和(自身を含む): 420687360

約数和(自身を除く): 275470960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 140, 155, 175, 196, 200, 217, 239, 245, 248, 280, 310, 350, 392, 400, 434, 478, 490, 496, 560, 620, 700, 775, 784, 868, 956, 980, 1085, 1195, 1225, 1240, 1400, 1519, 1550, 1673, 1736, 1912, 1960, 2170, 2390, 2450, 2480, 2800, 3038, 3100, 3346, 3472, 3824, 3920, 4340, 4780, 4900, 5425, 5975, 6076, 6200, 6692, 7409, 7595, 8365, 8680, 9560, 9800, 10850, 11711, 11950, 12152, 12400, 13384, 14818, 15190, 16730, 17360, 19120, 19600, 21700, 23422, 23900, 24304, 26768, 29636, 30380, 33460, 37045, 37975, 41825, 43400, 46844, 47800, 51863, 58555, 59272, 60760, 66920, 74090, 75950, 83650, 86800, 93688, 95600, 103726, 117110, 118544, 121520, 133840, 148180, 151900, 167300, 185225, 187376, 207452, 234220, 259315, 292775, 296360, 303800, 334600, 363041, 370450, 414904, 468440, 518630, 585550, 592720, 607600, 669200, 726082, 740900, 829808, 936880, 1037260, 1171100, 1296575, 1452164, 1481800, 1815205, 2074520, 2342200, 2593150, 2904328, 2963600, 3630410, 4149040, 4684400, 5186300, 5808656, 7260820, 9076025, 10372600, 14521640, 18152050, 20745200, 29043280, 36304100, 72608200, 145216400]

約数ペア:

[(1, 145216400), (2, 72608200), (4, 36304100), (5, 29043280), (7, 20745200), (8, 18152050), (10, 14521640), (14, 10372600), (16, 9076025), (20, 7260820), (25, 5808656), (28, 5186300), (31, 4684400), (35, 4149040), (40, 3630410), (49, 2963600), (50, 2904328), (56, 2593150), (62, 2342200), (70, 2074520), (80, 1815205), (98, 1481800), (100, 1452164), (112, 1296575), (124, 1171100), (140, 1037260), (155, 936880), (175, 829808), (196, 740900), (200, 726082), (217, 669200), (239, 607600), (245, 592720), (248, 585550), (280, 518630), (310, 468440), (350, 414904), (392, 370450), (400, 363041), (434, 334600), (478, 303800), (490, 296360), (496, 292775), (560, 259315), (620, 234220), (700, 207452), (775, 187376), (784, 185225), (868, 167300), (956, 151900), (980, 148180), (1085, 133840), (1195, 121520), (1225, 118544), (1240, 117110), (1400, 103726), (1519, 95600), (1550, 93688), (1673, 86800), (1736, 83650), (1912, 75950), (1960, 74090), (2170, 66920), (2390, 60760), (2450, 59272), (2480, 58555), (2800, 51863), (3038, 47800), (3100, 46844), (3346, 43400), (3472, 41825), (3824, 37975), (3920, 37045), (4340, 33460), (4780, 30380), (4900, 29636), (5425, 26768), (5975, 24304), (6076, 23900), (6200, 23422), (6692, 21700), (7409, 19600), (7595, 19120), (8365, 17360), (8680, 16730), (9560, 15190), (9800, 14818), (10850, 13384), (11711, 12400), (11950, 12152)]