1969131800

素因数分解:

$2^3\times 5^2\times {\mathrm{541}}^1\times {\mathrm{18199}}^1$

素因数の和:18756

約数の個数: 48

約数和(自身を含む): 4586946000

約数和(自身を除く): 2617814200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 541, 1082, 2164, 2705, 4328, 5410, 10820, 13525, 18199, 21640, 27050, 36398, 54100, 72796, 90995, 108200, 145592, 181990, 363980, 454975, 727960, 909950, 1819900, 3639800, 9845659, 19691318, 39382636, 49228295, 78765272, 98456590, 196913180, 246141475, 393826360, 492282950, 984565900, 1969131800]

約数ペア:

[(1, 1969131800), (2, 984565900), (4, 492282950), (5, 393826360), (8, 246141475), (10, 196913180), (20, 98456590), (25, 78765272), (40, 49228295), (50, 39382636), (100, 19691318), (200, 9845659), (541, 3639800), (1082, 1819900), (2164, 909950), (2705, 727960), (4328, 454975), (5410, 363980), (10820, 181990), (13525, 145592), (18199, 108200), (21640, 90995), (27050, 72796), (36398, 54100)]