191731280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 160

約数和(自身を含む): 523299840

約数和(自身を除く): 331568560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 313, 380, 403, 494, 496, 520, 589, 620, 626, 760, 806, 988, 1040, 1178, 1235, 1240, 1252, 1520, 1565, 1612, 1976, 2015, 2356, 2470, 2480, 2504, 2945, 3130, 3224, 3952, 4030, 4069, 4712, 4940, 5008, 5890, 5947, 6260, 6448, 7657, 8060, 8138, 9424, 9703, 9880, 11780, 11894, 12520, 15314, 16120, 16276, 19406, 19760, 20345, 23560, 23788, 25040, 29735, 30628, 32240, 32552, 38285, 38812, 40690, 47120, 47576, 48515, 59470, 61256, 65104, 76570, 77311, 77624, 81380, 95152, 97030, 118940, 122512, 126139, 153140, 154622, 155248, 162760, 184357, 194060, 237880, 252278, 306280, 309244, 325520, 368714, 386555, 388120, 475760, 504556, 612560, 618488, 630695, 737428, 773110, 776240, 921785, 1009112, 1236976, 1261390, 1474856, 1546220, 1843570, 2018224, 2396641, 2522780, 2949712, 3092440, 3687140, 4793282, 5045560, 6184880, 7374280, 9586564, 10091120, 11983205, 14748560, 19173128, 23966410, 38346256, 47932820, 95865640, 191731280]

約数ペア:

[(1, 191731280), (2, 95865640), (4, 47932820), (5, 38346256), (8, 23966410), (10, 19173128), (13, 14748560), (16, 11983205), (19, 10091120), (20, 9586564), (26, 7374280), (31, 6184880), (38, 5045560), (40, 4793282), (52, 3687140), (62, 3092440), (65, 2949712), (76, 2522780), (80, 2396641), (95, 2018224), (104, 1843570), (124, 1546220), (130, 1474856), (152, 1261390), (155, 1236976), (190, 1009112), (208, 921785), (247, 776240), (248, 773110), (260, 737428), (304, 630695), (310, 618488), (313, 612560), (380, 504556), (403, 475760), (494, 388120), (496, 386555), (520, 368714), (589, 325520), (620, 309244), (626, 306280), (760, 252278), (806, 237880), (988, 194060), (1040, 184357), (1178, 162760), (1235, 155248), (1240, 154622), (1252, 153140), (1520, 126139), (1565, 122512), (1612, 118940), (1976, 97030), (2015, 95152), (2356, 81380), (2470, 77624), (2480, 77311), (2504, 76570), (2945, 65104), (3130, 61256), (3224, 59470), (3952, 48515), (4030, 47576), (4069, 47120), (4712, 40690), (4940, 38812), (5008, 38285), (5890, 32552), (5947, 32240), (6260, 30628), (6448, 29735), (7657, 25040), (8060, 23788), (8138, 23560), (9424, 20345), (9703, 19760), (9880, 19406), (11780, 16276), (11894, 16120), (12520, 15314)]