138800320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:690

約数の個数: 112

約数和(自身を含む): 357896160

約数和(自身を除く): 219095840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 320, 370, 380, 592, 608, 617, 703, 740, 760, 1184, 1216, 1234, 1406, 1480, 1520, 2368, 2468, 2812, 2960, 3040, 3085, 3515, 4936, 5624, 5920, 6080, 6170, 7030, 9872, 11248, 11723, 11840, 12340, 14060, 19744, 22496, 22829, 23446, 24680, 28120, 39488, 44992, 45658, 46892, 49360, 56240, 58615, 91316, 93784, 98720, 112480, 114145, 117230, 182632, 187568, 197440, 224960, 228290, 234460, 365264, 375136, 433751, 456580, 468920, 730528, 750272, 867502, 913160, 937840, 1461056, 1735004, 1826320, 1875680, 2168755, 3470008, 3652640, 3751360, 4337510, 6940016, 7305280, 8675020, 13880032, 17350040, 27760064, 34700080, 69400160, 138800320]

約数ペア:

[(1, 138800320), (2, 69400160), (4, 34700080), (5, 27760064), (8, 17350040), (10, 13880032), (16, 8675020), (19, 7305280), (20, 6940016), (32, 4337510), (37, 3751360), (38, 3652640), (40, 3470008), (64, 2168755), (74, 1875680), (76, 1826320), (80, 1735004), (95, 1461056), (148, 937840), (152, 913160), (160, 867502), (185, 750272), (190, 730528), (296, 468920), (304, 456580), (320, 433751), (370, 375136), (380, 365264), (592, 234460), (608, 228290), (617, 224960), (703, 197440), (740, 187568), (760, 182632), (1184, 117230), (1216, 114145), (1234, 112480), (1406, 98720), (1480, 93784), (1520, 91316), (2368, 58615), (2468, 56240), (2812, 49360), (2960, 46892), (3040, 45658), (3085, 44992), (3515, 39488), (4936, 28120), (5624, 24680), (5920, 23446), (6080, 22829), (6170, 22496), (7030, 19744), (9872, 14060), (11248, 12340), (11723, 11840)]