387620840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6907}}^1$

素因数の和:7002

約数の個数: 64

約数和(自身を含む): 925119360

約数和(自身を除く): 537498520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 2440, 2806, 5612, 6907, 7015, 11224, 13814, 14030, 27628, 28060, 34535, 55256, 56120, 69070, 138140, 158861, 276280, 317722, 421327, 635444, 794305, 842654, 1270888, 1588610, 1685308, 2106635, 3177220, 3370616, 4213270, 6354440, 8426540, 9690521, 16853080, 19381042, 38762084, 48452605, 77524168, 96905210, 193810420, 387620840]

約数ペア:

[(1, 387620840), (2, 193810420), (4, 96905210), (5, 77524168), (8, 48452605), (10, 38762084), (20, 19381042), (23, 16853080), (40, 9690521), (46, 8426540), (61, 6354440), (92, 4213270), (115, 3370616), (122, 3177220), (184, 2106635), (230, 1685308), (244, 1588610), (305, 1270888), (460, 842654), (488, 794305), (610, 635444), (920, 421327), (1220, 317722), (1403, 276280), (2440, 158861), (2806, 138140), (5612, 69070), (6907, 56120), (7015, 55256), (11224, 34535), (13814, 28060), (14030, 27628)]