31773320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 44431480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 431, 485, 760, 776, 862, 970, 1724, 1843, 1940, 2155, 3448, 3686, 3880, 4310, 7372, 8189, 8620, 9215, 14744, 16378, 17240, 18430, 32756, 36860, 40945, 41807, 65512, 73720, 81890, 83614, 163780, 167228, 209035, 327560, 334456, 418070, 794333, 836140, 1588666, 1672280, 3177332, 3971665, 6354664, 7943330, 15886660, 31773320]

約数ペア:

[(1, 31773320), (2, 15886660), (4, 7943330), (5, 6354664), (8, 3971665), (10, 3177332), (19, 1672280), (20, 1588666), (38, 836140), (40, 794333), (76, 418070), (95, 334456), (97, 327560), (152, 209035), (190, 167228), (194, 163780), (380, 83614), (388, 81890), (431, 73720), (485, 65512), (760, 41807), (776, 40945), (862, 36860), (970, 32756), (1724, 18430), (1843, 17240), (1940, 16378), (2155, 14744), (3448, 9215), (3686, 8620), (3880, 8189), (4310, 7372)]