42981940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 100590336

約数和(自身を除く): 57608396

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 43, 46, 53, 82, 86, 92, 106, 115, 164, 172, 205, 212, 215, 230, 265, 410, 430, 460, 530, 820, 860, 943, 989, 1060, 1219, 1763, 1886, 1978, 2173, 2279, 2438, 3526, 3772, 3956, 4346, 4558, 4715, 4876, 4945, 6095, 7052, 8692, 8815, 9116, 9430, 9890, 10865, 11395, 12190, 17630, 18860, 19780, 21730, 22790, 24380, 35260, 40549, 43460, 45580, 49979, 52417, 81098, 93439, 99958, 104834, 162196, 186878, 199916, 202745, 209668, 249895, 262085, 373756, 405490, 467195, 499790, 524170, 810980, 934390, 999580, 1048340, 1868780, 2149097, 4298194, 8596388, 10745485, 21490970, 42981940]

約数ペア:

[(1, 42981940), (2, 21490970), (4, 10745485), (5, 8596388), (10, 4298194), (20, 2149097), (23, 1868780), (41, 1048340), (43, 999580), (46, 934390), (53, 810980), (82, 524170), (86, 499790), (92, 467195), (106, 405490), (115, 373756), (164, 262085), (172, 249895), (205, 209668), (212, 202745), (215, 199916), (230, 186878), (265, 162196), (410, 104834), (430, 99958), (460, 93439), (530, 81098), (820, 52417), (860, 49979), (943, 45580), (989, 43460), (1060, 40549), (1219, 35260), (1763, 24380), (1886, 22790), (1978, 21730), (2173, 19780), (2279, 18860), (2438, 17630), (3526, 12190), (3772, 11395), (3956, 10865), (4346, 9890), (4558, 9430), (4715, 9116), (4876, 8815), (4945, 8692), (6095, 7052)]