328996640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1871}}^1$

素因数の和:2050

約数の個数: 96

約数和(自身を含む): 894426624

約数和(自身を除く): 565429984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 224, 280, 314, 560, 628, 785, 1099, 1120, 1256, 1570, 1871, 2198, 2512, 3140, 3742, 4396, 5024, 5495, 6280, 7484, 8792, 9355, 10990, 12560, 13097, 14968, 17584, 18710, 21980, 25120, 26194, 29936, 35168, 37420, 43960, 52388, 59872, 65485, 74840, 87920, 104776, 130970, 149680, 175840, 209552, 261940, 293747, 299360, 419104, 523880, 587494, 1047760, 1174988, 1468735, 2056229, 2095520, 2349976, 2937470, 4112458, 4699952, 5874940, 8224916, 9399904, 10281145, 11749880, 16449832, 20562290, 23499760, 32899664, 41124580, 46999520, 65799328, 82249160, 164498320, 328996640]

約数ペア:

[(1, 328996640), (2, 164498320), (4, 82249160), (5, 65799328), (7, 46999520), (8, 41124580), (10, 32899664), (14, 23499760), (16, 20562290), (20, 16449832), (28, 11749880), (32, 10281145), (35, 9399904), (40, 8224916), (56, 5874940), (70, 4699952), (80, 4112458), (112, 2937470), (140, 2349976), (157, 2095520), (160, 2056229), (224, 1468735), (280, 1174988), (314, 1047760), (560, 587494), (628, 523880), (785, 419104), (1099, 299360), (1120, 293747), (1256, 261940), (1570, 209552), (1871, 175840), (2198, 149680), (2512, 130970), (3140, 104776), (3742, 87920), (4396, 74840), (5024, 65485), (5495, 59872), (6280, 52388), (7484, 43960), (8792, 37420), (9355, 35168), (10990, 29936), (12560, 26194), (13097, 25120), (14968, 21980), (17584, 18710)]