49817820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^3$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 160483680

約数和(自身を除く): 110665860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 289, 338, 340, 390, 442, 507, 510, 578, 663, 676, 780, 845, 867, 884, 1014, 1020, 1105, 1156, 1326, 1445, 1690, 1734, 2028, 2210, 2535, 2652, 2873, 2890, 3315, 3380, 3468, 3757, 4335, 4420, 4913, 5070, 5746, 5780, 6630, 7514, 8619, 8670, 9826, 10140, 11271, 11492, 13260, 14365, 14739, 15028, 17238, 17340, 18785, 19652, 22542, 24565, 28730, 29478, 34476, 37570, 43095, 45084, 48841, 49130, 56355, 57460, 58956, 63869, 73695, 75140, 86190, 97682, 98260, 112710, 127738, 146523, 147390, 172380, 191607, 195364, 225420, 244205, 255476, 293046, 294780, 319345, 383214, 488410, 586092, 638690, 732615, 766428, 830297, 958035, 976820, 1277380, 1465230, 1660594, 1916070, 2490891, 2930460, 3321188, 3832140, 4151485, 4981782, 8302970, 9963564, 12454455, 16605940, 24908910, 49817820]

約数ペア:

[(1, 49817820), (2, 24908910), (3, 16605940), (4, 12454455), (5, 9963564), (6, 8302970), (10, 4981782), (12, 4151485), (13, 3832140), (15, 3321188), (17, 2930460), (20, 2490891), (26, 1916070), (30, 1660594), (34, 1465230), (39, 1277380), (51, 976820), (52, 958035), (60, 830297), (65, 766428), (68, 732615), (78, 638690), (85, 586092), (102, 488410), (130, 383214), (156, 319345), (169, 294780), (170, 293046), (195, 255476), (204, 244205), (221, 225420), (255, 195364), (260, 191607), (289, 172380), (338, 147390), (340, 146523), (390, 127738), (442, 112710), (507, 98260), (510, 97682), (578, 86190), (663, 75140), (676, 73695), (780, 63869), (845, 58956), (867, 57460), (884, 56355), (1014, 49130), (1020, 48841), (1105, 45084), (1156, 43095), (1326, 37570), (1445, 34476), (1690, 29478), (1734, 28730), (2028, 24565), (2210, 22542), (2535, 19652), (2652, 18785), (2873, 17340), (2890, 17238), (3315, 15028), (3380, 14739), (3468, 14365), (3757, 13260), (4335, 11492), (4420, 11271), (4913, 10140), (5070, 9826), (5746, 8670), (5780, 8619), (6630, 7514)]