68903800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 190836000

約数和(自身を除く): 121932200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 79, 89, 98, 100, 140, 158, 175, 178, 196, 200, 245, 280, 316, 350, 356, 392, 395, 445, 490, 553, 623, 632, 700, 712, 790, 890, 980, 1106, 1225, 1246, 1400, 1580, 1780, 1960, 1975, 2212, 2225, 2450, 2492, 2765, 3115, 3160, 3560, 3871, 3950, 4361, 4424, 4450, 4900, 4984, 5530, 6230, 7031, 7742, 7900, 8722, 8900, 9800, 11060, 12460, 13825, 14062, 15484, 15575, 15800, 17444, 17800, 19355, 21805, 22120, 24920, 27650, 28124, 30968, 31150, 34888, 35155, 38710, 43610, 49217, 55300, 56248, 62300, 70310, 77420, 87220, 96775, 98434, 109025, 110600, 124600, 140620, 154840, 174440, 175775, 193550, 196868, 218050, 246085, 281240, 344519, 351550, 387100, 393736, 436100, 492170, 689038, 703100, 774200, 872200, 984340, 1230425, 1378076, 1406200, 1722595, 1968680, 2460850, 2756152, 3445190, 4921700, 6890380, 8612975, 9843400, 13780760, 17225950, 34451900, 68903800]

約数ペア:

[(1, 68903800), (2, 34451900), (4, 17225950), (5, 13780760), (7, 9843400), (8, 8612975), (10, 6890380), (14, 4921700), (20, 3445190), (25, 2756152), (28, 2460850), (35, 1968680), (40, 1722595), (49, 1406200), (50, 1378076), (56, 1230425), (70, 984340), (79, 872200), (89, 774200), (98, 703100), (100, 689038), (140, 492170), (158, 436100), (175, 393736), (178, 387100), (196, 351550), (200, 344519), (245, 281240), (280, 246085), (316, 218050), (350, 196868), (356, 193550), (392, 175775), (395, 174440), (445, 154840), (490, 140620), (553, 124600), (623, 110600), (632, 109025), (700, 98434), (712, 96775), (790, 87220), (890, 77420), (980, 70310), (1106, 62300), (1225, 56248), (1246, 55300), (1400, 49217), (1580, 43610), (1780, 38710), (1960, 35155), (1975, 34888), (2212, 31150), (2225, 30968), (2450, 28124), (2492, 27650), (2765, 24920), (3115, 22120), (3160, 21805), (3560, 19355), (3871, 17800), (3950, 17444), (4361, 15800), (4424, 15575), (4450, 15484), (4900, 14062), (4984, 13825), (5530, 12460), (6230, 11060), (7031, 9800), (7742, 8900), (7900, 8722)]