21167772700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2887}}^1$

素因数の和:3164

約数の個数: 144

約数和(自身を含む): 51439207680

約数和(自身を除く): 30271434980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 227, 323, 340, 380, 425, 454, 475, 646, 850, 908, 950, 1135, 1292, 1615, 1700, 1900, 2270, 2887, 3230, 3859, 4313, 4540, 5675, 5774, 6460, 7718, 8075, 8626, 11350, 11548, 14435, 15436, 16150, 17252, 19295, 21565, 22700, 28870, 32300, 38590, 43130, 49079, 54853, 57740, 72175, 73321, 77180, 86260, 96475, 98158, 107825, 109706, 144350, 146642, 192950, 196316, 215650, 219412, 245395, 274265, 288700, 293284, 366605, 385900, 431300, 490790, 548530, 655349, 733210, 932501, 981580, 1097060, 1226975, 1310698, 1371325, 1466420, 1833025, 1865002, 2453950, 2621396, 2742650, 3276745, 3666050, 3730004, 4662505, 4907900, 5485300, 6553490, 7332100, 9325010, 11140933, 12451631, 13106980, 16383725, 18650020, 22281866, 23312525, 24903262, 32767450, 44563732, 46625050, 49806524, 55704665, 62258155, 65534900, 93250100, 111409330, 124516310, 211677727, 222818660, 249032620, 278523325, 311290775, 423355454, 557046650, 622581550, 846710908, 1058388635, 1114093300, 1245163100, 2116777270, 4233554540, 5291943175, 10583886350, 21167772700]

約数ペア:

[(1, 21167772700), (2, 10583886350), (4, 5291943175), (5, 4233554540), (10, 2116777270), (17, 1245163100), (19, 1114093300), (20, 1058388635), (25, 846710908), (34, 622581550), (38, 557046650), (50, 423355454), (68, 311290775), (76, 278523325), (85, 249032620), (95, 222818660), (100, 211677727), (170, 124516310), (190, 111409330), (227, 93250100), (323, 65534900), (340, 62258155), (380, 55704665), (425, 49806524), (454, 46625050), (475, 44563732), (646, 32767450), (850, 24903262), (908, 23312525), (950, 22281866), (1135, 18650020), (1292, 16383725), (1615, 13106980), (1700, 12451631), (1900, 11140933), (2270, 9325010), (2887, 7332100), (3230, 6553490), (3859, 5485300), (4313, 4907900), (4540, 4662505), (5675, 3730004), (5774, 3666050), (6460, 3276745), (7718, 2742650), (8075, 2621396), (8626, 2453950), (11350, 1865002), (11548, 1833025), (14435, 1466420), (15436, 1371325), (16150, 1310698), (17252, 1226975), (19295, 1097060), (21565, 981580), (22700, 932501), (28870, 733210), (32300, 655349), (38590, 548530), (43130, 490790), (49079, 431300), (54853, 385900), (57740, 366605), (72175, 293284), (73321, 288700), (77180, 274265), (86260, 245395), (96475, 219412), (98158, 215650), (107825, 196316), (109706, 192950), (144350, 146642)]