2198300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 5468400

約数和(自身を除く): 3270100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 89, 95, 100, 130, 178, 190, 247, 260, 325, 356, 380, 445, 475, 494, 650, 890, 950, 988, 1157, 1235, 1300, 1691, 1780, 1900, 2225, 2314, 2470, 3382, 4450, 4628, 4940, 5785, 6175, 6764, 8455, 8900, 11570, 12350, 16910, 21983, 23140, 24700, 28925, 33820, 42275, 43966, 57850, 84550, 87932, 109915, 115700, 169100, 219830, 439660, 549575, 1099150, 2198300]

約数ペア:

[(1, 2198300), (2, 1099150), (4, 549575), (5, 439660), (10, 219830), (13, 169100), (19, 115700), (20, 109915), (25, 87932), (26, 84550), (38, 57850), (50, 43966), (52, 42275), (65, 33820), (76, 28925), (89, 24700), (95, 23140), (100, 21983), (130, 16910), (178, 12350), (190, 11570), (247, 8900), (260, 8455), (325, 6764), (356, 6175), (380, 5785), (445, 4940), (475, 4628), (494, 4450), (650, 3382), (890, 2470), (950, 2314), (988, 2225), (1157, 1900), (1235, 1780), (1300, 1691)]