201930040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 491520960

約数和(自身を除く): 289590920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 514, 520, 1028, 1285, 1511, 2056, 2570, 3022, 3341, 5140, 6044, 6682, 7555, 10280, 12088, 13364, 15110, 16705, 19643, 26728, 30220, 33410, 39286, 60440, 66820, 78572, 98215, 133640, 157144, 196430, 388327, 392860, 776654, 785720, 1553308, 1941635, 3106616, 3883270, 5048251, 7766540, 10096502, 15533080, 20193004, 25241255, 40386008, 50482510, 100965020, 201930040]

約数ペア:

[(1, 201930040), (2, 100965020), (4, 50482510), (5, 40386008), (8, 25241255), (10, 20193004), (13, 15533080), (20, 10096502), (26, 7766540), (40, 5048251), (52, 3883270), (65, 3106616), (104, 1941635), (130, 1553308), (257, 785720), (260, 776654), (514, 392860), (520, 388327), (1028, 196430), (1285, 157144), (1511, 133640), (2056, 98215), (2570, 78572), (3022, 66820), (3341, 60440), (5140, 39286), (6044, 33410), (6682, 30220), (7555, 26728), (10280, 19643), (12088, 16705), (13364, 15110)]