199511970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1680

約数の個数: 128

約数和(自身を含む): 594984960

約数和(自身を除く): 395472990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 57, 62, 70, 93, 95, 105, 114, 133, 155, 186, 190, 210, 217, 266, 285, 310, 399, 434, 465, 570, 589, 651, 665, 798, 930, 1085, 1178, 1302, 1330, 1613, 1767, 1995, 2170, 2945, 3226, 3255, 3534, 3990, 4123, 4839, 5890, 6510, 8065, 8246, 8835, 9678, 11291, 12369, 16130, 17670, 20615, 22582, 24195, 24738, 30647, 33873, 41230, 48390, 50003, 56455, 61294, 61845, 67746, 91941, 100006, 112910, 123690, 150009, 153235, 169365, 183882, 214529, 250015, 300018, 306470, 338730, 350021, 429058, 459705, 500030, 643587, 700042, 750045, 919410, 950057, 1050063, 1072645, 1287174, 1500090, 1750105, 1900114, 2100126, 2145290, 2850171, 3217935, 3500210, 4750285, 5250315, 5700342, 6435870, 6650399, 9500570, 10500630, 13300798, 14250855, 19951197, 28501710, 33251995, 39902394, 66503990, 99755985, 199511970]

約数ペア:

[(1, 199511970), (2, 99755985), (3, 66503990), (5, 39902394), (6, 33251995), (7, 28501710), (10, 19951197), (14, 14250855), (15, 13300798), (19, 10500630), (21, 9500570), (30, 6650399), (31, 6435870), (35, 5700342), (38, 5250315), (42, 4750285), (57, 3500210), (62, 3217935), (70, 2850171), (93, 2145290), (95, 2100126), (105, 1900114), (114, 1750105), (133, 1500090), (155, 1287174), (186, 1072645), (190, 1050063), (210, 950057), (217, 919410), (266, 750045), (285, 700042), (310, 643587), (399, 500030), (434, 459705), (465, 429058), (570, 350021), (589, 338730), (651, 306470), (665, 300018), (798, 250015), (930, 214529), (1085, 183882), (1178, 169365), (1302, 153235), (1330, 150009), (1613, 123690), (1767, 112910), (1995, 100006), (2170, 91941), (2945, 67746), (3226, 61845), (3255, 61294), (3534, 56455), (3990, 50003), (4123, 48390), (4839, 41230), (5890, 33873), (6510, 30647), (8065, 24738), (8246, 24195), (8835, 22582), (9678, 20615), (11291, 17670), (12369, 16130)]