353223920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20347}}^1$

素因数の和:20398

約数の個数: 80

約数和(自身を含む): 968890368

約数和(自身を除く): 615666448

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, 20347, 40694, 81388, 101735, 142429, 162776, 203470, 284858, 325552, 406940, 569716, 630757, 712145, 813880, 1139432, 1261514, 1424290, 1627760, 2278864, 2523028, 2848580, 3153785, 4415299, 5046056, 5697160, 6307570, 8830598, 10092112, 11394320, 12615140, 17661196, 22076495, 25230280, 35322392, 44152990, 50460560, 70644784, 88305980, 176611960, 353223920]

約数ペア:

[(1, 353223920), (2, 176611960), (4, 88305980), (5, 70644784), (7, 50460560), (8, 44152990), (10, 35322392), (14, 25230280), (16, 22076495), (20, 17661196), (28, 12615140), (31, 11394320), (35, 10092112), (40, 8830598), (56, 6307570), (62, 5697160), (70, 5046056), (80, 4415299), (112, 3153785), (124, 2848580), (140, 2523028), (155, 2278864), (217, 1627760), (248, 1424290), (280, 1261514), (310, 1139432), (434, 813880), (496, 712145), (560, 630757), (620, 569716), (868, 406940), (1085, 325552), (1240, 284858), (1736, 203470), (2170, 162776), (2480, 142429), (3472, 101735), (4340, 81388), (8680, 40694), (17360, 20347)]