203940870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:762

約数の個数: 128

約数和(自身を含む): 597196800

約数和(自身を除く): 393255930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 79, 95, 105, 114, 133, 158, 190, 210, 237, 266, 285, 395, 399, 474, 553, 570, 647, 665, 790, 798, 1106, 1185, 1294, 1330, 1501, 1659, 1941, 1995, 2370, 2765, 3002, 3235, 3318, 3882, 3990, 4503, 4529, 5530, 6470, 7505, 8295, 9006, 9058, 9705, 10507, 12293, 13587, 15010, 16590, 19410, 21014, 22515, 22645, 24586, 27174, 31521, 36879, 45030, 45290, 51113, 52535, 61465, 63042, 67935, 73758, 86051, 102226, 105070, 122930, 135870, 153339, 157605, 172102, 184395, 255565, 258153, 306678, 315210, 357791, 368790, 430255, 511130, 516306, 715582, 766695, 860510, 971147, 1073373, 1290765, 1533390, 1788955, 1942294, 2146746, 2581530, 2913441, 3577910, 4855735, 5366865, 5826882, 6798029, 9711470, 10733730, 13596058, 14567205, 20394087, 29134410, 33990145, 40788174, 67980290, 101970435, 203940870]

約数ペア:

[(1, 203940870), (2, 101970435), (3, 67980290), (5, 40788174), (6, 33990145), (7, 29134410), (10, 20394087), (14, 14567205), (15, 13596058), (19, 10733730), (21, 9711470), (30, 6798029), (35, 5826882), (38, 5366865), (42, 4855735), (57, 3577910), (70, 2913441), (79, 2581530), (95, 2146746), (105, 1942294), (114, 1788955), (133, 1533390), (158, 1290765), (190, 1073373), (210, 971147), (237, 860510), (266, 766695), (285, 715582), (395, 516306), (399, 511130), (474, 430255), (553, 368790), (570, 357791), (647, 315210), (665, 306678), (790, 258153), (798, 255565), (1106, 184395), (1185, 172102), (1294, 157605), (1330, 153339), (1501, 135870), (1659, 122930), (1941, 105070), (1995, 102226), (2370, 86051), (2765, 73758), (3002, 67935), (3235, 63042), (3318, 61465), (3882, 52535), (3990, 51113), (4503, 45290), (4529, 45030), (5530, 36879), (6470, 31521), (7505, 27174), (8295, 24586), (9006, 22645), (9058, 22515), (9705, 21014), (10507, 19410), (12293, 16590), (13587, 15010)]