38864840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 103420800

約数和(自身を除く): 64555960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 251, 280, 316, 392, 395, 490, 502, 553, 632, 790, 980, 1004, 1106, 1255, 1580, 1757, 1960, 2008, 2212, 2510, 2765, 3160, 3514, 3871, 4424, 5020, 5530, 7028, 7742, 8785, 10040, 11060, 12299, 14056, 15484, 17570, 19355, 19829, 22120, 24598, 30968, 35140, 38710, 39658, 49196, 61495, 70280, 77420, 79316, 98392, 99145, 122990, 138803, 154840, 158632, 198290, 245980, 277606, 396580, 491960, 555212, 694015, 793160, 971621, 1110424, 1388030, 1943242, 2776060, 3886484, 4858105, 5552120, 7772968, 9716210, 19432420, 38864840]

約数ペア:

[(1, 38864840), (2, 19432420), (4, 9716210), (5, 7772968), (7, 5552120), (8, 4858105), (10, 3886484), (14, 2776060), (20, 1943242), (28, 1388030), (35, 1110424), (40, 971621), (49, 793160), (56, 694015), (70, 555212), (79, 491960), (98, 396580), (140, 277606), (158, 245980), (196, 198290), (245, 158632), (251, 154840), (280, 138803), (316, 122990), (392, 99145), (395, 98392), (490, 79316), (502, 77420), (553, 70280), (632, 61495), (790, 49196), (980, 39658), (1004, 38710), (1106, 35140), (1255, 30968), (1580, 24598), (1757, 22120), (1960, 19829), (2008, 19355), (2212, 17570), (2510, 15484), (2765, 14056), (3160, 12299), (3514, 11060), (3871, 10040), (4424, 8785), (5020, 7742), (5530, 7028)]