189818580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 192

約数和(自身を含む): 639959040

約数和(自身を除く): 450140460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 61, 62, 70, 84, 93, 105, 122, 124, 140, 155, 183, 186, 210, 217, 239, 244, 305, 310, 366, 372, 420, 427, 434, 465, 478, 610, 620, 651, 717, 732, 854, 868, 915, 930, 956, 1085, 1195, 1220, 1281, 1302, 1434, 1673, 1708, 1830, 1860, 1891, 2135, 2170, 2390, 2562, 2604, 2868, 3255, 3346, 3585, 3660, 3782, 4270, 4340, 4780, 5019, 5124, 5673, 6405, 6510, 6692, 7170, 7409, 7564, 8365, 8540, 9455, 10038, 11346, 12810, 13020, 13237, 14340, 14579, 14818, 16730, 18910, 20076, 22227, 22692, 25095, 25620, 26474, 28365, 29158, 29636, 33460, 37045, 37820, 39711, 43737, 44454, 50190, 51863, 52948, 56730, 58316, 66185, 72895, 74090, 79422, 87474, 88908, 100380, 102053, 103726, 111135, 113460, 132370, 145790, 148180, 155589, 158844, 174948, 198555, 204106, 207452, 218685, 222270, 259315, 264740, 291580, 306159, 311178, 397110, 408212, 437370, 444540, 451949, 510265, 518630, 612318, 622356, 777945, 794220, 874740, 903898, 1020530, 1037260, 1224636, 1355847, 1530795, 1555890, 1807796, 2041060, 2259745, 2711694, 3061590, 3111780, 3163643, 4519490, 5423388, 6123180, 6327286, 6779235, 9038980, 9490929, 12654572, 13558470, 15818215, 18981858, 27116940, 31636430, 37963716, 47454645, 63272860, 94909290, 189818580]

約数ペア:

[(1, 189818580), (2, 94909290), (3, 63272860), (4, 47454645), (5, 37963716), (6, 31636430), (7, 27116940), (10, 18981858), (12, 15818215), (14, 13558470), (15, 12654572), (20, 9490929), (21, 9038980), (28, 6779235), (30, 6327286), (31, 6123180), (35, 5423388), (42, 4519490), (60, 3163643), (61, 3111780), (62, 3061590), (70, 2711694), (84, 2259745), (93, 2041060), (105, 1807796), (122, 1555890), (124, 1530795), (140, 1355847), (155, 1224636), (183, 1037260), (186, 1020530), (210, 903898), (217, 874740), (239, 794220), (244, 777945), (305, 622356), (310, 612318), (366, 518630), (372, 510265), (420, 451949), (427, 444540), (434, 437370), (465, 408212), (478, 397110), (610, 311178), (620, 306159), (651, 291580), (717, 264740), (732, 259315), (854, 222270), (868, 218685), (915, 207452), (930, 204106), (956, 198555), (1085, 174948), (1195, 158844), (1220, 155589), (1281, 148180), (1302, 145790), (1434, 132370), (1673, 113460), (1708, 111135), (1830, 103726), (1860, 102053), (1891, 100380), (2135, 88908), (2170, 87474), (2390, 79422), (2562, 74090), (2604, 72895), (2868, 66185), (3255, 58316), (3346, 56730), (3585, 52948), (3660, 51863), (3782, 50190), (4270, 44454), (4340, 43737), (4780, 39711), (5019, 37820), (5124, 37045), (5673, 33460), (6405, 29636), (6510, 29158), (6692, 28365), (7170, 26474), (7409, 25620), (7564, 25095), (8365, 22692), (8540, 22227), (9455, 20076), (10038, 18910), (11346, 16730), (12810, 14818), (13020, 14579), (13237, 14340)]