202560440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3347}}^1$

素因数の和:3464

約数の個数: 64

約数和(自身を含む): 488138400

約数和(自身を除く): 285577960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1513, 1780, 3026, 3347, 3560, 6052, 6694, 7565, 12104, 13388, 15130, 16735, 26776, 30260, 33470, 56899, 60520, 66940, 113798, 133880, 227596, 284495, 297883, 455192, 568990, 595766, 1137980, 1191532, 1489415, 2275960, 2383064, 2978830, 5064011, 5957660, 10128022, 11915320, 20256044, 25320055, 40512088, 50640110, 101280220, 202560440]

約数ペア:

[(1, 202560440), (2, 101280220), (4, 50640110), (5, 40512088), (8, 25320055), (10, 20256044), (17, 11915320), (20, 10128022), (34, 5957660), (40, 5064011), (68, 2978830), (85, 2383064), (89, 2275960), (136, 1489415), (170, 1191532), (178, 1137980), (340, 595766), (356, 568990), (445, 455192), (680, 297883), (712, 284495), (890, 227596), (1513, 133880), (1780, 113798), (3026, 66940), (3347, 60520), (3560, 56899), (6052, 33470), (6694, 30260), (7565, 26776), (12104, 16735), (13388, 15130)]