191707720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 479232000

約数和(自身を除く): 287524280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 79, 95, 103, 124, 152, 155, 158, 190, 206, 248, 310, 316, 380, 395, 412, 515, 589, 620, 632, 760, 790, 824, 1030, 1178, 1240, 1501, 1580, 1957, 2060, 2356, 2449, 2945, 3002, 3160, 3193, 3914, 4120, 4712, 4898, 5890, 6004, 6386, 7505, 7828, 8137, 9785, 9796, 11780, 12008, 12245, 12772, 15010, 15656, 15965, 16274, 19570, 19592, 23560, 24490, 25544, 30020, 31930, 32548, 39140, 40685, 46531, 48980, 60040, 60667, 63860, 65096, 78280, 81370, 93062, 97960, 121334, 127720, 154603, 162740, 186124, 232655, 242668, 252247, 303335, 309206, 325480, 372248, 465310, 485336, 504494, 606670, 618412, 773015, 930620, 1008988, 1213340, 1236824, 1261235, 1546030, 1861240, 2017976, 2426680, 2522470, 3092060, 4792693, 5044940, 6184120, 9585386, 10089880, 19170772, 23963465, 38341544, 47926930, 95853860, 191707720]

約数ペア:

[(1, 191707720), (2, 95853860), (4, 47926930), (5, 38341544), (8, 23963465), (10, 19170772), (19, 10089880), (20, 9585386), (31, 6184120), (38, 5044940), (40, 4792693), (62, 3092060), (76, 2522470), (79, 2426680), (95, 2017976), (103, 1861240), (124, 1546030), (152, 1261235), (155, 1236824), (158, 1213340), (190, 1008988), (206, 930620), (248, 773015), (310, 618412), (316, 606670), (380, 504494), (395, 485336), (412, 465310), (515, 372248), (589, 325480), (620, 309206), (632, 303335), (760, 252247), (790, 242668), (824, 232655), (1030, 186124), (1178, 162740), (1240, 154603), (1501, 127720), (1580, 121334), (1957, 97960), (2060, 93062), (2356, 81370), (2449, 78280), (2945, 65096), (3002, 63860), (3160, 60667), (3193, 60040), (3914, 48980), (4120, 46531), (4712, 40685), (4898, 39140), (5890, 32548), (6004, 31930), (6386, 30020), (7505, 25544), (7828, 24490), (8137, 23560), (9785, 19592), (9796, 19570), (11780, 16274), (12008, 15965), (12245, 15656), (12772, 15010)]