31707340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 81607680

約数和(自身を除く): 49900340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 43, 46, 70, 86, 92, 115, 140, 161, 172, 215, 229, 230, 301, 322, 430, 458, 460, 602, 644, 805, 860, 916, 989, 1145, 1204, 1505, 1603, 1610, 1978, 2290, 3010, 3206, 3220, 3956, 4580, 4945, 5267, 6020, 6412, 6923, 8015, 9847, 9890, 10534, 13846, 16030, 19694, 19780, 21068, 26335, 27692, 32060, 34615, 36869, 39388, 49235, 52670, 68929, 69230, 73738, 98470, 105340, 137858, 138460, 147476, 184345, 196940, 226481, 275716, 344645, 368690, 452962, 689290, 737380, 905924, 1132405, 1378580, 1585367, 2264810, 3170734, 4529620, 6341468, 7926835, 15853670, 31707340]

約数ペア:

[(1, 31707340), (2, 15853670), (4, 7926835), (5, 6341468), (7, 4529620), (10, 3170734), (14, 2264810), (20, 1585367), (23, 1378580), (28, 1132405), (35, 905924), (43, 737380), (46, 689290), (70, 452962), (86, 368690), (92, 344645), (115, 275716), (140, 226481), (161, 196940), (172, 184345), (215, 147476), (229, 138460), (230, 137858), (301, 105340), (322, 98470), (430, 73738), (458, 69230), (460, 68929), (602, 52670), (644, 49235), (805, 39388), (860, 36869), (916, 34615), (989, 32060), (1145, 27692), (1204, 26335), (1505, 21068), (1603, 19780), (1610, 19694), (1978, 16030), (2290, 13846), (3010, 10534), (3206, 9890), (3220, 9847), (3956, 8015), (4580, 6923), (4945, 6412), (5267, 6020)]