309804940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 726122880

約数和(自身を除く): 416317940

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 173, 229, 230, 340, 346, 391, 458, 460, 692, 782, 865, 916, 1145, 1564, 1730, 1955, 2290, 2941, 3460, 3893, 3910, 3979, 4580, 5267, 5882, 7786, 7820, 7958, 10534, 11764, 14705, 15572, 15916, 19465, 19895, 21068, 26335, 29410, 38930, 39617, 39790, 52670, 58820, 67643, 77860, 79234, 79580, 89539, 105340, 135286, 158468, 179078, 198085, 270572, 338215, 358156, 396170, 447695, 673489, 676430, 792340, 895390, 911191, 1346978, 1352860, 1790780, 1822382, 2693956, 3367445, 3644764, 4555955, 6734890, 9111910, 13469780, 15490247, 18223820, 30980494, 61960988, 77451235, 154902470, 309804940]

約数ペア:

[(1, 309804940), (2, 154902470), (4, 77451235), (5, 61960988), (10, 30980494), (17, 18223820), (20, 15490247), (23, 13469780), (34, 9111910), (46, 6734890), (68, 4555955), (85, 3644764), (92, 3367445), (115, 2693956), (170, 1822382), (173, 1790780), (229, 1352860), (230, 1346978), (340, 911191), (346, 895390), (391, 792340), (458, 676430), (460, 673489), (692, 447695), (782, 396170), (865, 358156), (916, 338215), (1145, 270572), (1564, 198085), (1730, 179078), (1955, 158468), (2290, 135286), (2941, 105340), (3460, 89539), (3893, 79580), (3910, 79234), (3979, 77860), (4580, 67643), (5267, 58820), (5882, 52670), (7786, 39790), (7820, 39617), (7958, 38930), (10534, 29410), (11764, 26335), (14705, 21068), (15572, 19895), (15916, 19465)]