7300020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 25740288

約数和(自身を除く): 18440268

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, 191, 195, 196, 210, 245, 260, 273, 294, 364, 382, 390, 420, 455, 490, 546, 573, 588, 637, 735, 764, 780, 910, 955, 980, 1092, 1146, 1274, 1337, 1365, 1470, 1820, 1910, 1911, 2292, 2483, 2548, 2674, 2730, 2865, 2940, 3185, 3820, 3822, 4011, 4966, 5348, 5460, 5730, 6370, 6685, 7449, 7644, 8022, 9359, 9555, 9932, 11460, 12415, 12740, 13370, 14898, 16044, 17381, 18718, 19110, 20055, 24830, 26740, 28077, 29796, 34762, 37245, 37436, 38220, 40110, 46795, 49660, 52143, 56154, 69524, 74490, 80220, 86905, 93590, 104286, 112308, 121667, 140385, 148980, 173810, 187180, 208572, 243334, 260715, 280770, 347620, 365001, 486668, 521430, 561540, 608335, 730002, 1042860, 1216670, 1460004, 1825005, 2433340, 3650010, 7300020]

約数ペア:

[(1, 7300020), (2, 3650010), (3, 2433340), (4, 1825005), (5, 1460004), (6, 1216670), (7, 1042860), (10, 730002), (12, 608335), (13, 561540), (14, 521430), (15, 486668), (20, 365001), (21, 347620), (26, 280770), (28, 260715), (30, 243334), (35, 208572), (39, 187180), (42, 173810), (49, 148980), (52, 140385), (60, 121667), (65, 112308), (70, 104286), (78, 93590), (84, 86905), (91, 80220), (98, 74490), (105, 69524), (130, 56154), (140, 52143), (147, 49660), (156, 46795), (182, 40110), (191, 38220), (195, 37436), (196, 37245), (210, 34762), (245, 29796), (260, 28077), (273, 26740), (294, 24830), (364, 20055), (382, 19110), (390, 18718), (420, 17381), (455, 16044), (490, 14898), (546, 13370), (573, 12740), (588, 12415), (637, 11460), (735, 9932), (764, 9555), (780, 9359), (910, 8022), (955, 7644), (980, 7449), (1092, 6685), (1146, 6370), (1274, 5730), (1337, 5460), (1365, 5348), (1470, 4966), (1820, 4011), (1910, 3822), (1911, 3820), (2292, 3185), (2483, 2940), (2548, 2865), (2674, 2730)]