387612880

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{13963}}^1$

素因数の和:14323

約数の個数: 40

約数和(自身を含む): 903861792

約数和(自身を除く): 516248912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2776, 3470, 5552, 6940, 13880, 13963, 27760, 27926, 55852, 69815, 111704, 139630, 223408, 279260, 558520, 1117040, 4845161, 9690322, 19380644, 24225805, 38761288, 48451610, 77522576, 96903220, 193806440, 387612880]

約数ペア:

[(1, 387612880), (2, 193806440), (4, 96903220), (5, 77522576), (8, 48451610), (10, 38761288), (16, 24225805), (20, 19380644), (40, 9690322), (80, 4845161), (347, 1117040), (694, 558520), (1388, 279260), (1735, 223408), (2776, 139630), (3470, 111704), (5552, 69815), (6940, 55852), (13880, 27926), (13963, 27760)]