86768440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 141845960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 97, 107, 110, 152, 190, 194, 209, 214, 220, 380, 388, 418, 428, 440, 485, 535, 760, 776, 836, 856, 970, 1045, 1067, 1070, 1177, 1672, 1843, 1940, 2033, 2090, 2134, 2140, 2354, 3686, 3880, 4066, 4180, 4268, 4280, 4708, 5335, 5885, 7372, 8132, 8360, 8536, 9215, 9416, 10165, 10379, 10670, 11770, 14744, 16264, 18430, 20273, 20330, 20758, 21340, 22363, 23540, 36860, 40546, 40660, 41516, 42680, 44726, 47080, 51895, 73720, 81092, 81320, 83032, 89452, 101365, 103790, 111815, 114169, 162184, 178904, 197201, 202730, 207580, 223630, 228338, 394402, 405460, 415160, 447260, 456676, 570845, 788804, 810920, 894520, 913352, 986005, 1141690, 1577608, 1972010, 2169211, 2283380, 3944020, 4338422, 4566760, 7888040, 8676844, 10846055, 17353688, 21692110, 43384220, 86768440]

約数ペア:

[(1, 86768440), (2, 43384220), (4, 21692110), (5, 17353688), (8, 10846055), (10, 8676844), (11, 7888040), (19, 4566760), (20, 4338422), (22, 3944020), (38, 2283380), (40, 2169211), (44, 1972010), (55, 1577608), (76, 1141690), (88, 986005), (95, 913352), (97, 894520), (107, 810920), (110, 788804), (152, 570845), (190, 456676), (194, 447260), (209, 415160), (214, 405460), (220, 394402), (380, 228338), (388, 223630), (418, 207580), (428, 202730), (440, 197201), (485, 178904), (535, 162184), (760, 114169), (776, 111815), (836, 103790), (856, 101365), (970, 89452), (1045, 83032), (1067, 81320), (1070, 81092), (1177, 73720), (1672, 51895), (1843, 47080), (1940, 44726), (2033, 42680), (2090, 41516), (2134, 40660), (2140, 40546), (2354, 36860), (3686, 23540), (3880, 22363), (4066, 21340), (4180, 20758), (4268, 20330), (4280, 20273), (4708, 18430), (5335, 16264), (5885, 14744), (7372, 11770), (8132, 10670), (8360, 10379), (8536, 10165), (9215, 9416)]