30938180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 50346940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 130, 140, 178, 182, 191, 260, 356, 364, 382, 445, 455, 623, 764, 890, 910, 955, 1157, 1246, 1337, 1780, 1820, 1910, 2314, 2483, 2492, 2674, 3115, 3820, 4628, 4966, 5348, 5785, 6230, 6685, 8099, 9932, 11570, 12415, 12460, 13370, 16198, 16999, 17381, 23140, 24830, 26740, 32396, 33998, 34762, 40495, 49660, 67996, 69524, 80990, 84995, 86905, 118993, 161980, 169990, 173810, 220987, 237986, 339980, 347620, 441974, 475972, 594965, 883948, 1104935, 1189930, 1546909, 2209870, 2379860, 3093818, 4419740, 6187636, 7734545, 15469090, 30938180]

約数ペア:

[(1, 30938180), (2, 15469090), (4, 7734545), (5, 6187636), (7, 4419740), (10, 3093818), (13, 2379860), (14, 2209870), (20, 1546909), (26, 1189930), (28, 1104935), (35, 883948), (52, 594965), (65, 475972), (70, 441974), (89, 347620), (91, 339980), (130, 237986), (140, 220987), (178, 173810), (182, 169990), (191, 161980), (260, 118993), (356, 86905), (364, 84995), (382, 80990), (445, 69524), (455, 67996), (623, 49660), (764, 40495), (890, 34762), (910, 33998), (955, 32396), (1157, 26740), (1246, 24830), (1337, 23140), (1780, 17381), (1820, 16999), (1910, 16198), (2314, 13370), (2483, 12460), (2492, 12415), (2674, 11570), (3115, 9932), (3820, 8099), (4628, 6685), (4966, 6230), (5348, 5785)]