1898320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 4497480

約数和(自身を除く): 2599160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 389, 488, 610, 778, 976, 1220, 1556, 1945, 2440, 3112, 3890, 4880, 6224, 7780, 15560, 23729, 31120, 47458, 94916, 118645, 189832, 237290, 379664, 474580, 949160, 1898320]

約数ペア:

[(1, 1898320), (2, 949160), (4, 474580), (5, 379664), (8, 237290), (10, 189832), (16, 118645), (20, 94916), (40, 47458), (61, 31120), (80, 23729), (122, 15560), (244, 7780), (305, 6224), (389, 4880), (488, 3890), (610, 3112), (778, 2440), (976, 1945), (1220, 1556)]