193947780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 607993344

約数和(自身を除く): 414045564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 617, 620, 676, 780, 806, 845, 930, 1014, 1209, 1234, 1612, 1690, 1851, 1860, 2015, 2028, 2418, 2468, 2535, 3085, 3380, 3702, 4030, 4836, 5070, 5239, 6045, 6170, 7404, 8021, 8060, 9255, 10140, 10478, 12090, 12340, 15717, 16042, 18510, 19127, 20956, 24063, 24180, 26195, 31434, 32084, 37020, 38254, 40105, 48126, 52390, 57381, 62868, 76508, 78585, 80210, 95635, 96252, 104273, 104780, 114762, 120315, 157170, 160420, 191270, 208546, 229524, 240630, 248651, 286905, 312819, 314340, 382540, 417092, 481260, 497302, 521365, 573810, 625638, 745953, 994604, 1042730, 1147620, 1243255, 1251276, 1491906, 1564095, 2085460, 2486510, 2983812, 3128190, 3232463, 3729765, 4973020, 6256380, 6464926, 7459530, 9697389, 12929852, 14919060, 16162315, 19394778, 32324630, 38789556, 48486945, 64649260, 96973890, 193947780]

約数ペア:

[(1, 193947780), (2, 96973890), (3, 64649260), (4, 48486945), (5, 38789556), (6, 32324630), (10, 19394778), (12, 16162315), (13, 14919060), (15, 12929852), (20, 9697389), (26, 7459530), (30, 6464926), (31, 6256380), (39, 4973020), (52, 3729765), (60, 3232463), (62, 3128190), (65, 2983812), (78, 2486510), (93, 2085460), (124, 1564095), (130, 1491906), (155, 1251276), (156, 1243255), (169, 1147620), (186, 1042730), (195, 994604), (260, 745953), (310, 625638), (338, 573810), (372, 521365), (390, 497302), (403, 481260), (465, 417092), (507, 382540), (617, 314340), (620, 312819), (676, 286905), (780, 248651), (806, 240630), (845, 229524), (930, 208546), (1014, 191270), (1209, 160420), (1234, 157170), (1612, 120315), (1690, 114762), (1851, 104780), (1860, 104273), (2015, 96252), (2028, 95635), (2418, 80210), (2468, 78585), (2535, 76508), (3085, 62868), (3380, 57381), (3702, 52390), (4030, 48126), (4836, 40105), (5070, 38254), (5239, 37020), (6045, 32084), (6170, 31434), (7404, 26195), (8021, 24180), (8060, 24063), (9255, 20956), (10140, 19127), (10478, 18510), (12090, 16042), (12340, 15717)]