306299540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 689313240

約数和(自身を除く): 383013700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 269, 289, 340, 394, 538, 578, 788, 985, 1076, 1156, 1345, 1445, 1970, 2690, 2890, 3349, 3940, 4573, 5380, 5780, 6698, 9146, 13396, 16745, 18292, 22865, 33490, 45730, 52993, 56933, 66980, 77741, 91460, 105986, 113866, 155482, 211972, 227732, 264965, 284665, 310964, 388705, 529930, 569330, 777410, 900881, 1059860, 1138660, 1554820, 1801762, 3603524, 4504405, 9008810, 15314977, 18017620, 30629954, 61259908, 76574885, 153149770, 306299540]

約数ペア:

[(1, 306299540), (2, 153149770), (4, 76574885), (5, 61259908), (10, 30629954), (17, 18017620), (20, 15314977), (34, 9008810), (68, 4504405), (85, 3603524), (170, 1801762), (197, 1554820), (269, 1138660), (289, 1059860), (340, 900881), (394, 777410), (538, 569330), (578, 529930), (788, 388705), (985, 310964), (1076, 284665), (1156, 264965), (1345, 227732), (1445, 211972), (1970, 155482), (2690, 113866), (2890, 105986), (3349, 91460), (3940, 77741), (4573, 66980), (5380, 56933), (5780, 52993), (6698, 45730), (9146, 33490), (13396, 22865), (16745, 18292)]