64219400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{6553}}^1$

素因数の和:6583

約数の個数: 72

約数和(自身を含む): 173713770

約数和(自身を除く): 109494370

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 6553, 9800, 13106, 26212, 32765, 45871, 52424, 65530, 91742, 131060, 163825, 183484, 229355, 262120, 321097, 327650, 366968, 458710, 642194, 655300, 917420, 1146775, 1284388, 1310600, 1605485, 1834840, 2293550, 2568776, 3210970, 4587100, 6421940, 8027425, 9174200, 12843880, 16054850, 32109700, 64219400]

約数ペア:

[(1, 64219400), (2, 32109700), (4, 16054850), (5, 12843880), (7, 9174200), (8, 8027425), (10, 6421940), (14, 4587100), (20, 3210970), (25, 2568776), (28, 2293550), (35, 1834840), (40, 1605485), (49, 1310600), (50, 1284388), (56, 1146775), (70, 917420), (98, 655300), (100, 642194), (140, 458710), (175, 366968), (196, 327650), (200, 321097), (245, 262120), (280, 229355), (350, 183484), (392, 163825), (490, 131060), (700, 91742), (980, 65530), (1225, 52424), (1400, 45871), (1960, 32765), (2450, 26212), (4900, 13106), (6553, 9800)]