229620860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5449}}^1$

素因数の和:5515

約数の個数: 72

約数和(自身を含む): 574081200

約数和(自身を除く): 344460340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 5449, 6020, 8428, 10535, 10898, 21070, 21796, 27245, 38143, 42140, 54490, 76286, 108980, 152572, 190715, 234307, 267001, 381430, 468614, 534002, 762860, 937228, 1068004, 1171535, 1335005, 1640149, 2343070, 2670010, 3280298, 4686140, 5340020, 6560596, 8200745, 11481043, 16401490, 22962086, 32802980, 45924172, 57405215, 114810430, 229620860]

約数ペア:

[(1, 229620860), (2, 114810430), (4, 57405215), (5, 45924172), (7, 32802980), (10, 22962086), (14, 16401490), (20, 11481043), (28, 8200745), (35, 6560596), (43, 5340020), (49, 4686140), (70, 3280298), (86, 2670010), (98, 2343070), (140, 1640149), (172, 1335005), (196, 1171535), (215, 1068004), (245, 937228), (301, 762860), (430, 534002), (490, 468614), (602, 381430), (860, 267001), (980, 234307), (1204, 190715), (1505, 152572), (2107, 108980), (3010, 76286), (4214, 54490), (5449, 42140), (6020, 38143), (8428, 27245), (10535, 21796), (10898, 21070)]