78163910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 85132090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 149, 190, 209, 251, 298, 418, 502, 745, 1045, 1255, 1490, 1639, 2090, 2510, 2761, 2831, 3278, 4769, 5522, 5662, 8195, 9538, 13805, 14155, 16390, 23845, 27610, 28310, 31141, 37399, 47690, 52459, 62282, 74798, 104918, 155705, 186995, 262295, 311410, 373990, 411389, 524590, 710581, 822778, 1421162, 2056945, 3552905, 4113890, 7105810, 7816391, 15632782, 39081955, 78163910]

約数ペア:

[(1, 78163910), (2, 39081955), (5, 15632782), (10, 7816391), (11, 7105810), (19, 4113890), (22, 3552905), (38, 2056945), (55, 1421162), (95, 822778), (110, 710581), (149, 524590), (190, 411389), (209, 373990), (251, 311410), (298, 262295), (418, 186995), (502, 155705), (745, 104918), (1045, 74798), (1255, 62282), (1490, 52459), (1639, 47690), (2090, 37399), (2510, 31141), (2761, 28310), (2831, 27610), (3278, 23845), (4769, 16390), (5522, 14155), (5662, 13805), (8195, 9538)]