17619420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 61937568

約数和(自身を除く): 44318148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 461, 490, 546, 588, 637, 735, 780, 910, 922, 980, 1092, 1274, 1365, 1383, 1470, 1820, 1844, 1911, 2305, 2548, 2730, 2766, 2940, 3185, 3227, 3822, 4610, 5460, 5532, 5993, 6370, 6454, 6915, 7644, 9220, 9555, 9681, 11986, 12740, 12908, 13830, 16135, 17979, 19110, 19362, 22589, 23972, 27660, 29965, 32270, 35958, 38220, 38724, 41951, 45178, 48405, 59930, 64540, 67767, 71916, 83902, 89895, 90356, 96810, 112945, 119860, 125853, 135534, 167804, 179790, 193620, 209755, 225890, 251706, 271068, 293657, 338835, 359580, 419510, 451780, 503412, 587314, 629265, 677670, 839020, 880971, 1174628, 1258530, 1355340, 1468285, 1761942, 2517060, 2936570, 3523884, 4404855, 5873140, 8809710, 17619420]

約数ペア:

[(1, 17619420), (2, 8809710), (3, 5873140), (4, 4404855), (5, 3523884), (6, 2936570), (7, 2517060), (10, 1761942), (12, 1468285), (13, 1355340), (14, 1258530), (15, 1174628), (20, 880971), (21, 839020), (26, 677670), (28, 629265), (30, 587314), (35, 503412), (39, 451780), (42, 419510), (49, 359580), (52, 338835), (60, 293657), (65, 271068), (70, 251706), (78, 225890), (84, 209755), (91, 193620), (98, 179790), (105, 167804), (130, 135534), (140, 125853), (147, 119860), (156, 112945), (182, 96810), (195, 90356), (196, 89895), (210, 83902), (245, 71916), (260, 67767), (273, 64540), (294, 59930), (364, 48405), (390, 45178), (420, 41951), (455, 38724), (461, 38220), (490, 35958), (546, 32270), (588, 29965), (637, 27660), (735, 23972), (780, 22589), (910, 19362), (922, 19110), (980, 17979), (1092, 16135), (1274, 13830), (1365, 12908), (1383, 12740), (1470, 11986), (1820, 9681), (1844, 9555), (1911, 9220), (2305, 7644), (2548, 6915), (2730, 6454), (2766, 6370), (2940, 5993), (3185, 5532), (3227, 5460), (3822, 4610)]