442089700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3821}}^1$

素因数の和:3937

約数の個数: 72

約数和(自身を含む): 1045011240

約数和(自身を除く): 602921540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 356, 445, 650, 890, 1157, 1300, 1780, 2225, 2314, 3821, 4450, 4628, 5785, 7642, 8900, 11570, 15284, 19105, 23140, 28925, 38210, 49673, 57850, 76420, 95525, 99346, 115700, 191050, 198692, 248365, 340069, 382100, 496730, 680138, 993460, 1241825, 1360276, 1700345, 2483650, 3400690, 4420897, 4967300, 6801380, 8501725, 8841794, 17003450, 17683588, 22104485, 34006900, 44208970, 88417940, 110522425, 221044850, 442089700]

約数ペア:

[(1, 442089700), (2, 221044850), (4, 110522425), (5, 88417940), (10, 44208970), (13, 34006900), (20, 22104485), (25, 17683588), (26, 17003450), (50, 8841794), (52, 8501725), (65, 6801380), (89, 4967300), (100, 4420897), (130, 3400690), (178, 2483650), (260, 1700345), (325, 1360276), (356, 1241825), (445, 993460), (650, 680138), (890, 496730), (1157, 382100), (1300, 340069), (1780, 248365), (2225, 198692), (2314, 191050), (3821, 115700), (4450, 99346), (4628, 95525), (5785, 76420), (7642, 57850), (8900, 49673), (11570, 38210), (15284, 28925), (19105, 23140)]