199054720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 501350400

約数和(自身を除く): 302295680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 127, 128, 155, 158, 160, 248, 254, 310, 316, 320, 395, 496, 508, 620, 632, 635, 640, 790, 992, 1016, 1240, 1264, 1270, 1580, 1984, 2032, 2449, 2480, 2528, 2540, 3160, 3937, 3968, 4064, 4898, 4960, 5056, 5080, 6320, 7874, 8128, 9796, 9920, 10033, 10112, 10160, 12245, 12640, 15748, 16256, 19592, 19685, 19840, 20066, 20320, 24490, 25280, 31496, 39184, 39370, 40132, 40640, 48980, 50165, 50560, 62992, 78368, 78740, 80264, 81280, 97960, 100330, 125984, 156736, 157480, 160528, 195920, 200660, 251968, 311023, 313472, 314960, 321056, 391840, 401320, 503936, 622046, 629920, 642112, 783680, 802640, 1244092, 1259840, 1284224, 1555115, 1567360, 1605280, 2488184, 2519680, 3110230, 3210560, 4976368, 6220460, 6421120, 9952736, 12440920, 19905472, 24881840, 39810944, 49763680, 99527360, 199054720]

約数ペア:

[(1, 199054720), (2, 99527360), (4, 49763680), (5, 39810944), (8, 24881840), (10, 19905472), (16, 12440920), (20, 9952736), (31, 6421120), (32, 6220460), (40, 4976368), (62, 3210560), (64, 3110230), (79, 2519680), (80, 2488184), (124, 1605280), (127, 1567360), (128, 1555115), (155, 1284224), (158, 1259840), (160, 1244092), (248, 802640), (254, 783680), (310, 642112), (316, 629920), (320, 622046), (395, 503936), (496, 401320), (508, 391840), (620, 321056), (632, 314960), (635, 313472), (640, 311023), (790, 251968), (992, 200660), (1016, 195920), (1240, 160528), (1264, 157480), (1270, 156736), (1580, 125984), (1984, 100330), (2032, 97960), (2449, 81280), (2480, 80264), (2528, 78740), (2540, 78368), (3160, 62992), (3937, 50560), (3968, 50165), (4064, 48980), (4898, 40640), (4960, 40132), (5056, 39370), (5080, 39184), (6320, 31496), (7874, 25280), (8128, 24490), (9796, 20320), (9920, 20066), (10033, 19840), (10112, 19685), (10160, 19592), (12245, 16256), (12640, 15748)]