31980200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 86780160

約数和(自身を除く): 54799960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 106, 140, 175, 200, 212, 265, 280, 350, 371, 424, 431, 530, 700, 742, 862, 1060, 1325, 1400, 1484, 1724, 1855, 2120, 2155, 2650, 2968, 3017, 3448, 3710, 4310, 5300, 6034, 7420, 8620, 9275, 10600, 10775, 12068, 14840, 15085, 17240, 18550, 21550, 22843, 24136, 30170, 37100, 43100, 45686, 60340, 74200, 75425, 86200, 91372, 114215, 120680, 150850, 159901, 182744, 228430, 301700, 319802, 456860, 571075, 603400, 639604, 799505, 913720, 1142150, 1279208, 1599010, 2284300, 3198020, 3997525, 4568600, 6396040, 7995050, 15990100, 31980200]

約数ペア:

[(1, 31980200), (2, 15990100), (4, 7995050), (5, 6396040), (7, 4568600), (8, 3997525), (10, 3198020), (14, 2284300), (20, 1599010), (25, 1279208), (28, 1142150), (35, 913720), (40, 799505), (50, 639604), (53, 603400), (56, 571075), (70, 456860), (100, 319802), (106, 301700), (140, 228430), (175, 182744), (200, 159901), (212, 150850), (265, 120680), (280, 114215), (350, 91372), (371, 86200), (424, 75425), (431, 74200), (530, 60340), (700, 45686), (742, 43100), (862, 37100), (1060, 30170), (1325, 24136), (1400, 22843), (1484, 21550), (1724, 18550), (1855, 17240), (2120, 15085), (2155, 14840), (2650, 12068), (2968, 10775), (3017, 10600), (3448, 9275), (3710, 8620), (4310, 7420), (5300, 6034)]