217634820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 665355264

約数和(自身を除く): 447720444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 169, 195, 254, 260, 338, 381, 390, 507, 508, 635, 676, 762, 780, 845, 1014, 1270, 1524, 1651, 1690, 1905, 2028, 2197, 2535, 2540, 3302, 3380, 3810, 4394, 4953, 5070, 6591, 6604, 7620, 8255, 8788, 9906, 10140, 10985, 13182, 16510, 19812, 21463, 21970, 24765, 26364, 28561, 32955, 33020, 42926, 43940, 49530, 57122, 64389, 65910, 85683, 85852, 99060, 107315, 114244, 128778, 131820, 142805, 171366, 214630, 257556, 279019, 285610, 321945, 342732, 428415, 429260, 558038, 571220, 643890, 837057, 856830, 1116076, 1287780, 1395095, 1674114, 1713660, 2790190, 3348228, 3627247, 4185285, 5580380, 7254494, 8370570, 10881741, 14508988, 16741140, 18136235, 21763482, 36272470, 43526964, 54408705, 72544940, 108817410, 217634820]

約数ペア:

[(1, 217634820), (2, 108817410), (3, 72544940), (4, 54408705), (5, 43526964), (6, 36272470), (10, 21763482), (12, 18136235), (13, 16741140), (15, 14508988), (20, 10881741), (26, 8370570), (30, 7254494), (39, 5580380), (52, 4185285), (60, 3627247), (65, 3348228), (78, 2790190), (127, 1713660), (130, 1674114), (156, 1395095), (169, 1287780), (195, 1116076), (254, 856830), (260, 837057), (338, 643890), (381, 571220), (390, 558038), (507, 429260), (508, 428415), (635, 342732), (676, 321945), (762, 285610), (780, 279019), (845, 257556), (1014, 214630), (1270, 171366), (1524, 142805), (1651, 131820), (1690, 128778), (1905, 114244), (2028, 107315), (2197, 99060), (2535, 85852), (2540, 85683), (3302, 65910), (3380, 64389), (3810, 57122), (4394, 49530), (4953, 43940), (5070, 42926), (6591, 33020), (6604, 32955), (7620, 28561), (8255, 26364), (8788, 24765), (9906, 21970), (10140, 21463), (10985, 19812), (13182, 16510)]