2180673700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 5249664000

約数和(自身を除く): 3068990300

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 139, 190, 230, 278, 359, 380, 437, 460, 475, 556, 575, 695, 718, 874, 950, 1150, 1390, 1436, 1748, 1795, 1900, 2185, 2300, 2641, 2780, 3197, 3475, 3590, 4370, 5282, 6394, 6821, 6950, 7180, 8257, 8740, 8975, 10564, 10925, 12788, 13205, 13642, 13900, 15985, 16514, 17950, 21850, 26410, 27284, 31970, 33028, 34105, 35900, 41285, 43700, 49901, 52820, 60743, 63940, 66025, 68210, 79925, 82570, 99802, 121486, 132050, 136420, 156883, 159850, 165140, 170525, 199604, 206425, 242972, 249505, 264100, 303715, 313766, 319700, 341050, 412850, 499010, 607430, 627532, 682100, 784415, 825700, 948119, 998020, 1147723, 1214860, 1247525, 1518575, 1568830, 1896238, 2295446, 2495050, 3037150, 3137660, 3792476, 3922075, 4590892, 4740595, 4990100, 5738615, 6074300, 7844150, 9481190, 11477230, 15688300, 18962380, 21806737, 22954460, 23702975, 28693075, 43613474, 47405950, 57386150, 87226948, 94811900, 109033685, 114772300, 218067370, 436134740, 545168425, 1090336850, 2180673700]

約数ペア:

[(1, 2180673700), (2, 1090336850), (4, 545168425), (5, 436134740), (10, 218067370), (19, 114772300), (20, 109033685), (23, 94811900), (25, 87226948), (38, 57386150), (46, 47405950), (50, 43613474), (76, 28693075), (92, 23702975), (95, 22954460), (100, 21806737), (115, 18962380), (139, 15688300), (190, 11477230), (230, 9481190), (278, 7844150), (359, 6074300), (380, 5738615), (437, 4990100), (460, 4740595), (475, 4590892), (556, 3922075), (575, 3792476), (695, 3137660), (718, 3037150), (874, 2495050), (950, 2295446), (1150, 1896238), (1390, 1568830), (1436, 1518575), (1748, 1247525), (1795, 1214860), (1900, 1147723), (2185, 998020), (2300, 948119), (2641, 825700), (2780, 784415), (3197, 682100), (3475, 627532), (3590, 607430), (4370, 499010), (5282, 412850), (6394, 341050), (6821, 319700), (6950, 313766), (7180, 303715), (8257, 264100), (8740, 249505), (8975, 242972), (10564, 206425), (10925, 199604), (12788, 170525), (13205, 165140), (13642, 159850), (13900, 156883), (15985, 136420), (16514, 132050), (17950, 121486), (21850, 99802), (26410, 82570), (27284, 79925), (31970, 68210), (33028, 66025), (34105, 63940), (35900, 60743), (41285, 52820), (43700, 49901)]