311281540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 715309056

約数和(自身を除く): 404027516

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 83, 92, 115, 124, 155, 166, 230, 263, 310, 332, 415, 460, 526, 620, 713, 830, 1052, 1315, 1426, 1660, 1909, 2573, 2630, 2852, 3565, 3818, 5146, 5260, 6049, 7130, 7636, 8153, 9545, 10292, 12098, 12865, 14260, 16306, 19090, 21829, 24196, 25730, 30245, 32612, 38180, 40765, 43658, 51460, 59179, 60490, 81530, 87316, 109145, 118358, 120980, 163060, 187519, 218290, 236716, 295895, 375038, 436580, 502067, 591790, 676699, 750076, 937595, 1004134, 1183580, 1353398, 1875190, 2008268, 2510335, 2706796, 3383495, 3750380, 5020670, 6766990, 10041340, 13533980, 15564077, 31128154, 62256308, 77820385, 155640770, 311281540]

約数ペア:

[(1, 311281540), (2, 155640770), (4, 77820385), (5, 62256308), (10, 31128154), (20, 15564077), (23, 13533980), (31, 10041340), (46, 6766990), (62, 5020670), (83, 3750380), (92, 3383495), (115, 2706796), (124, 2510335), (155, 2008268), (166, 1875190), (230, 1353398), (263, 1183580), (310, 1004134), (332, 937595), (415, 750076), (460, 676699), (526, 591790), (620, 502067), (713, 436580), (830, 375038), (1052, 295895), (1315, 236716), (1426, 218290), (1660, 187519), (1909, 163060), (2573, 120980), (2630, 118358), (2852, 109145), (3565, 87316), (3818, 81530), (5146, 60490), (5260, 59179), (6049, 51460), (7130, 43658), (7636, 40765), (8153, 38180), (9545, 32612), (10292, 30245), (12098, 25730), (12865, 24196), (14260, 21829), (16306, 19090)]