29813980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 76640256

約数和(自身を除く): 46826276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 70, 92, 94, 115, 140, 161, 188, 197, 230, 235, 322, 329, 394, 460, 470, 644, 658, 788, 805, 940, 985, 1081, 1316, 1379, 1610, 1645, 1970, 2162, 2758, 3220, 3290, 3940, 4324, 4531, 5405, 5516, 6580, 6895, 7567, 9062, 9259, 10810, 13790, 15134, 18124, 18518, 21620, 22655, 27580, 30268, 31717, 37036, 37835, 45310, 46295, 63434, 64813, 75670, 90620, 92590, 126868, 129626, 151340, 158585, 185180, 212957, 259252, 317170, 324065, 425914, 634340, 648130, 851828, 1064785, 1296260, 1490699, 2129570, 2981398, 4259140, 5962796, 7453495, 14906990, 29813980]

約数ペア:

[(1, 29813980), (2, 14906990), (4, 7453495), (5, 5962796), (7, 4259140), (10, 2981398), (14, 2129570), (20, 1490699), (23, 1296260), (28, 1064785), (35, 851828), (46, 648130), (47, 634340), (70, 425914), (92, 324065), (94, 317170), (115, 259252), (140, 212957), (161, 185180), (188, 158585), (197, 151340), (230, 129626), (235, 126868), (322, 92590), (329, 90620), (394, 75670), (460, 64813), (470, 63434), (644, 46295), (658, 45310), (788, 37835), (805, 37036), (940, 31717), (985, 30268), (1081, 27580), (1316, 22655), (1379, 21620), (1610, 18518), (1645, 18124), (1970, 15134), (2162, 13790), (2758, 10810), (3220, 9259), (3290, 9062), (3940, 7567), (4324, 6895), (4531, 6580), (5405, 5516)]