155557930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 314979840

約数和(自身を除く): 159421910

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 97, 110, 122, 194, 239, 305, 478, 485, 610, 671, 970, 1067, 1195, 1342, 2134, 2390, 2629, 3355, 5258, 5335, 5917, 6710, 10670, 11834, 13145, 14579, 23183, 26290, 29158, 29585, 46366, 59170, 65087, 72895, 115915, 130174, 145790, 160369, 231830, 255013, 320738, 325435, 510026, 650870, 801845, 1275065, 1414163, 1603690, 2550130, 2828326, 7070815, 14141630, 15555793, 31111586, 77778965, 155557930]

約数ペア:

[(1, 155557930), (2, 77778965), (5, 31111586), (10, 15555793), (11, 14141630), (22, 7070815), (55, 2828326), (61, 2550130), (97, 1603690), (110, 1414163), (122, 1275065), (194, 801845), (239, 650870), (305, 510026), (478, 325435), (485, 320738), (610, 255013), (671, 231830), (970, 160369), (1067, 145790), (1195, 130174), (1342, 115915), (2134, 72895), (2390, 65087), (2629, 59170), (3355, 46366), (5258, 29585), (5335, 29158), (5917, 26290), (6710, 23183), (10670, 14579), (11834, 13145)]