72283820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 182044800

約数和(自身を除く): 109760980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 257, 287, 343, 410, 490, 514, 574, 686, 820, 980, 1028, 1148, 1285, 1372, 1435, 1715, 1799, 2009, 2570, 2870, 3430, 3598, 4018, 5140, 5740, 6860, 7196, 8036, 8995, 10045, 10537, 12593, 14063, 17990, 20090, 21074, 25186, 28126, 35980, 40180, 42148, 50372, 52685, 56252, 62965, 70315, 73759, 88151, 105370, 125930, 140630, 147518, 176302, 210740, 251860, 281260, 295036, 352604, 368795, 440755, 516313, 737590, 881510, 1032626, 1475180, 1763020, 2065252, 2581565, 3614191, 5163130, 7228382, 10326260, 14456764, 18070955, 36141910, 72283820]

約数ペア:

[(1, 72283820), (2, 36141910), (4, 18070955), (5, 14456764), (7, 10326260), (10, 7228382), (14, 5163130), (20, 3614191), (28, 2581565), (35, 2065252), (41, 1763020), (49, 1475180), (70, 1032626), (82, 881510), (98, 737590), (140, 516313), (164, 440755), (196, 368795), (205, 352604), (245, 295036), (257, 281260), (287, 251860), (343, 210740), (410, 176302), (490, 147518), (514, 140630), (574, 125930), (686, 105370), (820, 88151), (980, 73759), (1028, 70315), (1148, 62965), (1285, 56252), (1372, 52685), (1435, 50372), (1715, 42148), (1799, 40180), (2009, 35980), (2570, 28126), (2870, 25186), (3430, 21074), (3598, 20090), (4018, 17990), (5140, 14063), (5740, 12593), (6860, 10537), (7196, 10045), (8036, 8995)]