199323980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 470292480

約数和(自身を除く): 270968500

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 71, 85, 92, 115, 142, 170, 230, 284, 340, 355, 359, 391, 460, 710, 718, 782, 1207, 1420, 1436, 1564, 1633, 1795, 1955, 2414, 3266, 3590, 3910, 4828, 6035, 6103, 6532, 7180, 7820, 8165, 8257, 12070, 12206, 16330, 16514, 24140, 24412, 25489, 27761, 30515, 32660, 33028, 41285, 50978, 55522, 61030, 82570, 101956, 111044, 122060, 127445, 138805, 140369, 165140, 254890, 277610, 280738, 433313, 509780, 555220, 561476, 586247, 701845, 866626, 1172494, 1403690, 1733252, 2166565, 2344988, 2807380, 2931235, 4333130, 5862470, 8666260, 9966199, 11724940, 19932398, 39864796, 49830995, 99661990, 199323980]

約数ペア:

[(1, 199323980), (2, 99661990), (4, 49830995), (5, 39864796), (10, 19932398), (17, 11724940), (20, 9966199), (23, 8666260), (34, 5862470), (46, 4333130), (68, 2931235), (71, 2807380), (85, 2344988), (92, 2166565), (115, 1733252), (142, 1403690), (170, 1172494), (230, 866626), (284, 701845), (340, 586247), (355, 561476), (359, 555220), (391, 509780), (460, 433313), (710, 280738), (718, 277610), (782, 254890), (1207, 165140), (1420, 140369), (1436, 138805), (1564, 127445), (1633, 122060), (1795, 111044), (1955, 101956), (2414, 82570), (3266, 61030), (3590, 55522), (3910, 50978), (4828, 41285), (6035, 33028), (6103, 32660), (6532, 30515), (7180, 27761), (7820, 25489), (8165, 24412), (8257, 24140), (12070, 16514), (12206, 16330)]