1989697570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 4437835776

約数和(自身を除く): 2448138206

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 37, 46, 70, 74, 115, 127, 161, 185, 230, 254, 259, 263, 322, 370, 518, 526, 635, 805, 851, 889, 1270, 1295, 1315, 1610, 1702, 1778, 1841, 2590, 2630, 2921, 3682, 4255, 4445, 4699, 5842, 5957, 6049, 8510, 8890, 9205, 9398, 9731, 11914, 12098, 14605, 18410, 19462, 20447, 23495, 29210, 29785, 30245, 32893, 33401, 40894, 42343, 46990, 48655, 59570, 60490, 65786, 66802, 68117, 84686, 97310, 102235, 108077, 136234, 164465, 167005, 204470, 211715, 216154, 223813, 233807, 328930, 334010, 340585, 423430, 447626, 467614, 540385, 681170, 756539, 768223, 1080770, 1119065, 1169035, 1235837, 1513078, 1536446, 1566691, 2238130, 2338070, 2471674, 3133382, 3782695, 3841115, 5377561, 6179185, 7565390, 7682230, 7833455, 8650859, 10755122, 12358370, 15666910, 17301718, 26887805, 28424251, 43254295, 53775610, 56848502, 86508590, 142121255, 198969757, 284242510, 397939514, 994848785, 1989697570]

約数ペア:

[(1, 1989697570), (2, 994848785), (5, 397939514), (7, 284242510), (10, 198969757), (14, 142121255), (23, 86508590), (35, 56848502), (37, 53775610), (46, 43254295), (70, 28424251), (74, 26887805), (115, 17301718), (127, 15666910), (161, 12358370), (185, 10755122), (230, 8650859), (254, 7833455), (259, 7682230), (263, 7565390), (322, 6179185), (370, 5377561), (518, 3841115), (526, 3782695), (635, 3133382), (805, 2471674), (851, 2338070), (889, 2238130), (1270, 1566691), (1295, 1536446), (1315, 1513078), (1610, 1235837), (1702, 1169035), (1778, 1119065), (1841, 1080770), (2590, 768223), (2630, 756539), (2921, 681170), (3682, 540385), (4255, 467614), (4445, 447626), (4699, 423430), (5842, 340585), (5957, 334010), (6049, 328930), (8510, 233807), (8890, 223813), (9205, 216154), (9398, 211715), (9731, 204470), (11914, 167005), (12098, 164465), (14605, 136234), (18410, 108077), (19462, 102235), (20447, 97310), (23495, 84686), (29210, 68117), (29785, 66802), (30245, 65786), (32893, 60490), (33401, 59570), (40894, 48655), (42343, 46990)]