84395720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{379}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 201096000

約数和(自身を除く): 116700280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 293, 379, 380, 586, 758, 760, 1172, 1465, 1516, 1895, 2344, 2930, 3032, 3790, 5567, 5860, 7201, 7580, 11134, 11720, 14402, 15160, 22268, 27835, 28804, 36005, 44536, 55670, 57608, 72010, 111047, 111340, 144020, 222094, 222680, 288040, 444188, 555235, 888376, 1110470, 2109893, 2220940, 4219786, 4441880, 8439572, 10549465, 16879144, 21098930, 42197860, 84395720]

約数ペア:

[(1, 84395720), (2, 42197860), (4, 21098930), (5, 16879144), (8, 10549465), (10, 8439572), (19, 4441880), (20, 4219786), (38, 2220940), (40, 2109893), (76, 1110470), (95, 888376), (152, 555235), (190, 444188), (293, 288040), (379, 222680), (380, 222094), (586, 144020), (758, 111340), (760, 111047), (1172, 72010), (1465, 57608), (1516, 55670), (1895, 44536), (2344, 36005), (2930, 28804), (3032, 27835), (3790, 22268), (5567, 15160), (5860, 14402), (7201, 11720), (7580, 11134)]