155556100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3643}}^1$

素因数の和:3725

約数の個数: 72

約数和(自身を含む): 392211008

約数和(自身を除く): 236654908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 427, 610, 700, 854, 1220, 1525, 1708, 2135, 3050, 3643, 4270, 6100, 7286, 8540, 10675, 14572, 18215, 21350, 25501, 36430, 42700, 51002, 72860, 91075, 102004, 127505, 182150, 222223, 255010, 364300, 444446, 510020, 637525, 888892, 1111115, 1275050, 1555561, 2222230, 2550100, 3111122, 4444460, 5555575, 6222244, 7777805, 11111150, 15555610, 22222300, 31111220, 38889025, 77778050, 155556100]

約数ペア:

[(1, 155556100), (2, 77778050), (4, 38889025), (5, 31111220), (7, 22222300), (10, 15555610), (14, 11111150), (20, 7777805), (25, 6222244), (28, 5555575), (35, 4444460), (50, 3111122), (61, 2550100), (70, 2222230), (100, 1555561), (122, 1275050), (140, 1111115), (175, 888892), (244, 637525), (305, 510020), (350, 444446), (427, 364300), (610, 255010), (700, 222223), (854, 182150), (1220, 127505), (1525, 102004), (1708, 91075), (2135, 72860), (3050, 51002), (3643, 42700), (4270, 36430), (6100, 25501), (7286, 21350), (8540, 18215), (10675, 14572)]