208677760

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^2$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 529165800

約数和(自身を除く): 320488040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 131, 152, 160, 190, 262, 304, 320, 380, 524, 608, 640, 655, 760, 1048, 1216, 1310, 1520, 2096, 2432, 2489, 2620, 3040, 4192, 4978, 5240, 6080, 8384, 9956, 10480, 12160, 12445, 16768, 17161, 19912, 20960, 24890, 34322, 39824, 41920, 49780, 68644, 79648, 83840, 85805, 99560, 137288, 159296, 171610, 199120, 274576, 318592, 326059, 343220, 398240, 549152, 652118, 686440, 796480, 1098304, 1304236, 1372880, 1592960, 1630295, 2196608, 2608472, 2745760, 3260590, 5216944, 5491520, 6521180, 10433888, 10983040, 13042360, 20867776, 26084720, 41735552, 52169440, 104338880, 208677760]

約数ペア:

[(1, 208677760), (2, 104338880), (4, 52169440), (5, 41735552), (8, 26084720), (10, 20867776), (16, 13042360), (19, 10983040), (20, 10433888), (32, 6521180), (38, 5491520), (40, 5216944), (64, 3260590), (76, 2745760), (80, 2608472), (95, 2196608), (128, 1630295), (131, 1592960), (152, 1372880), (160, 1304236), (190, 1098304), (262, 796480), (304, 686440), (320, 652118), (380, 549152), (524, 398240), (608, 343220), (640, 326059), (655, 318592), (760, 274576), (1048, 199120), (1216, 171610), (1310, 159296), (1520, 137288), (2096, 99560), (2432, 85805), (2489, 83840), (2620, 79648), (3040, 68644), (4192, 49780), (4978, 41920), (5240, 39824), (6080, 34322), (8384, 24890), (9956, 20960), (10480, 19912), (12160, 17161), (12445, 16768)]