201018100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 462123200

約数和(自身を除く): 261105100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 241, 380, 439, 475, 482, 878, 950, 964, 1205, 1756, 1900, 2195, 2410, 4390, 4579, 4820, 6025, 8341, 8780, 9158, 10975, 12050, 16682, 18316, 21950, 22895, 24100, 33364, 41705, 43900, 45790, 83410, 91580, 105799, 114475, 166820, 208525, 211598, 228950, 417050, 423196, 457900, 528995, 834100, 1057990, 2010181, 2115980, 2644975, 4020362, 5289950, 8040724, 10050905, 10579900, 20101810, 40203620, 50254525, 100509050, 201018100]

約数ペア:

[(1, 201018100), (2, 100509050), (4, 50254525), (5, 40203620), (10, 20101810), (19, 10579900), (20, 10050905), (25, 8040724), (38, 5289950), (50, 4020362), (76, 2644975), (95, 2115980), (100, 2010181), (190, 1057990), (241, 834100), (380, 528995), (439, 457900), (475, 423196), (482, 417050), (878, 228950), (950, 211598), (964, 208525), (1205, 166820), (1756, 114475), (1900, 105799), (2195, 91580), (2410, 83410), (4390, 45790), (4579, 43900), (4820, 41705), (6025, 33364), (8341, 24100), (8780, 22895), (9158, 21950), (10975, 18316), (12050, 16682)]