778533340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{5953}}^1$

素因数の和:6478

約数の個数: 48

約数和(自身を含む): 1764479808

約数和(自身を除く): 985946468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 503, 1006, 2012, 2515, 5030, 5953, 6539, 10060, 11906, 13078, 23812, 26156, 29765, 32695, 59530, 65390, 77389, 119060, 130780, 154778, 309556, 386945, 773890, 1547780, 2994359, 5988718, 11977436, 14971795, 29943590, 38926667, 59887180, 77853334, 155706668, 194633335, 389266670, 778533340]

約数ペア:

[(1, 778533340), (2, 389266670), (4, 194633335), (5, 155706668), (10, 77853334), (13, 59887180), (20, 38926667), (26, 29943590), (52, 14971795), (65, 11977436), (130, 5988718), (260, 2994359), (503, 1547780), (1006, 773890), (2012, 386945), (2515, 309556), (5030, 154778), (5953, 130780), (6539, 119060), (10060, 77389), (11906, 65390), (13078, 59530), (23812, 32695), (26156, 29765)]