123919400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 342835200

約数和(自身を除く): 218915800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 31, 40, 44, 46, 50, 55, 62, 79, 88, 92, 100, 110, 115, 124, 155, 158, 184, 200, 220, 230, 248, 253, 275, 310, 316, 341, 395, 440, 460, 506, 550, 575, 620, 632, 682, 713, 775, 790, 869, 920, 1012, 1100, 1150, 1240, 1265, 1364, 1426, 1550, 1580, 1705, 1738, 1817, 1975, 2024, 2200, 2300, 2449, 2530, 2728, 2852, 3100, 3160, 3410, 3476, 3565, 3634, 3950, 4345, 4600, 4898, 5060, 5704, 6200, 6325, 6820, 6952, 7130, 7268, 7843, 7900, 8525, 8690, 9085, 9796, 10120, 12245, 12650, 13640, 14260, 14536, 15686, 15800, 17050, 17380, 17825, 18170, 19592, 19987, 21725, 24490, 25300, 26939, 28520, 31372, 34100, 34760, 35650, 36340, 39215, 39974, 43450, 45425, 48980, 50600, 53878, 56327, 61225, 62744, 68200, 71300, 72680, 78430, 79948, 86900, 90850, 97960, 99935, 107756, 112654, 122450, 134695, 142600, 156860, 159896, 173800, 181700, 196075, 199870, 215512, 225308, 244900, 269390, 281635, 313720, 363400, 392150, 399740, 450616, 489800, 499675, 538780, 563270, 619597, 673475, 784300, 799480, 999350, 1077560, 1126540, 1239194, 1346950, 1408175, 1568600, 1998700, 2253080, 2478388, 2693900, 2816350, 3097985, 3997400, 4956776, 5387800, 5632700, 6195970, 11265400, 12391940, 15489925, 24783880, 30979850, 61959700, 123919400]

約数ペア:

[(1, 123919400), (2, 61959700), (4, 30979850), (5, 24783880), (8, 15489925), (10, 12391940), (11, 11265400), (20, 6195970), (22, 5632700), (23, 5387800), (25, 4956776), (31, 3997400), (40, 3097985), (44, 2816350), (46, 2693900), (50, 2478388), (55, 2253080), (62, 1998700), (79, 1568600), (88, 1408175), (92, 1346950), (100, 1239194), (110, 1126540), (115, 1077560), (124, 999350), (155, 799480), (158, 784300), (184, 673475), (200, 619597), (220, 563270), (230, 538780), (248, 499675), (253, 489800), (275, 450616), (310, 399740), (316, 392150), (341, 363400), (395, 313720), (440, 281635), (460, 269390), (506, 244900), (550, 225308), (575, 215512), (620, 199870), (632, 196075), (682, 181700), (713, 173800), (775, 159896), (790, 156860), (869, 142600), (920, 134695), (1012, 122450), (1100, 112654), (1150, 107756), (1240, 99935), (1265, 97960), (1364, 90850), (1426, 86900), (1550, 79948), (1580, 78430), (1705, 72680), (1738, 71300), (1817, 68200), (1975, 62744), (2024, 61225), (2200, 56327), (2300, 53878), (2449, 50600), (2530, 48980), (2728, 45425), (2852, 43450), (3100, 39974), (3160, 39215), (3410, 36340), (3476, 35650), (3565, 34760), (3634, 34100), (3950, 31372), (4345, 28520), (4600, 26939), (4898, 25300), (5060, 24490), (5704, 21725), (6200, 19987), (6325, 19592), (6820, 18170), (6952, 17825), (7130, 17380), (7268, 17050), (7843, 15800), (7900, 15686), (8525, 14536), (8690, 14260), (9085, 13640), (9796, 12650), (10120, 12245)]