38664340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 96190920

約数和(自身を除く): 57526580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1229, 1430, 1573, 2420, 2458, 2860, 3146, 4916, 6145, 6292, 7865, 12290, 13519, 15730, 15977, 24580, 27038, 31460, 31954, 54076, 63908, 67595, 79885, 135190, 148709, 159770, 175747, 270380, 297418, 319540, 351494, 594836, 702988, 743545, 878735, 1487090, 1757470, 1933217, 2974180, 3514940, 3866434, 7732868, 9666085, 19332170, 38664340]

約数ペア:

[(1, 38664340), (2, 19332170), (4, 9666085), (5, 7732868), (10, 3866434), (11, 3514940), (13, 2974180), (20, 1933217), (22, 1757470), (26, 1487090), (44, 878735), (52, 743545), (55, 702988), (65, 594836), (110, 351494), (121, 319540), (130, 297418), (143, 270380), (220, 175747), (242, 159770), (260, 148709), (286, 135190), (484, 79885), (572, 67595), (605, 63908), (715, 54076), (1210, 31954), (1229, 31460), (1430, 27038), (1573, 24580), (2420, 15977), (2458, 15730), (2860, 13519), (3146, 12290), (4916, 7865), (6145, 6292)]