387975040

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{26357}}^1$

素因数の和:26399

約数の個数: 64

約数和(自身を含む): 967865760

約数和(自身を除く): 579890720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 26357, 52714, 105428, 131785, 210856, 263570, 421712, 527140, 606211, 843424, 1054280, 1212422, 1686848, 2108560, 2424844, 3031055, 3373696, 4217120, 4849688, 6062110, 8434240, 9699376, 12124220, 16868480, 19398752, 24248440, 38797504, 48496880, 77595008, 96993760, 193987520, 387975040]

約数ペア:

[(1, 387975040), (2, 193987520), (4, 96993760), (5, 77595008), (8, 48496880), (10, 38797504), (16, 24248440), (20, 19398752), (23, 16868480), (32, 12124220), (40, 9699376), (46, 8434240), (64, 6062110), (80, 4849688), (92, 4217120), (115, 3373696), (128, 3031055), (160, 2424844), (184, 2108560), (230, 1686848), (320, 1212422), (368, 1054280), (460, 843424), (640, 606211), (736, 527140), (920, 421712), (1472, 263570), (1840, 210856), (2944, 131785), (3680, 105428), (7360, 52714), (14720, 26357)]