390954543280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22520423}}^1$

素因数の和:22520474

約数の個数: 80

約数和(自身を含む): 1072332509184

約数和(自身を除く): 681377965904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 22520423, 45040846, 90081692, 112602115, 157642961, 180163384, 225204230, 315285922, 360326768, 450408460, 630571844, 698133113, 788214805, 900816920, 1261143688, 1396266226, 1576429610, 1801633840, 2522287376, 2792532452, 3152859220, 3490665565, 4886931791, 5585064904, 6305718440, 6981331130, 9773863582, 11170129808, 12611436880, 13962662260, 19547727164, 24434658955, 27925324520, 39095454328, 48869317910, 55850649040, 78190908656, 97738635820, 195477271640, 390954543280]

約数ペア:

[(1, 390954543280), (2, 195477271640), (4, 97738635820), (5, 78190908656), (7, 55850649040), (8, 48869317910), (10, 39095454328), (14, 27925324520), (16, 24434658955), (20, 19547727164), (28, 13962662260), (31, 12611436880), (35, 11170129808), (40, 9773863582), (56, 6981331130), (62, 6305718440), (70, 5585064904), (80, 4886931791), (112, 3490665565), (124, 3152859220), (140, 2792532452), (155, 2522287376), (217, 1801633840), (248, 1576429610), (280, 1396266226), (310, 1261143688), (434, 900816920), (496, 788214805), (560, 698133113), (620, 630571844), (868, 450408460), (1085, 360326768), (1240, 315285922), (1736, 225204230), (2170, 180163384), (2480, 157642961), (3472, 112602115), (4340, 90081692), (8680, 45040846), (17360, 22520423)]