213964900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 486297000

約数和(自身を除く): 272332100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 89, 100, 116, 145, 178, 290, 356, 445, 580, 725, 829, 890, 1450, 1658, 1780, 2225, 2581, 2900, 3316, 4145, 4450, 5162, 8290, 8900, 10324, 12905, 16580, 20725, 24041, 25810, 41450, 48082, 51620, 64525, 73781, 82900, 96164, 120205, 129050, 147562, 240410, 258100, 295124, 368905, 480820, 601025, 737810, 1202050, 1475620, 1844525, 2139649, 2404100, 3689050, 4279298, 7378100, 8558596, 10698245, 21396490, 42792980, 53491225, 106982450, 213964900]

約数ペア:

[(1, 213964900), (2, 106982450), (4, 53491225), (5, 42792980), (10, 21396490), (20, 10698245), (25, 8558596), (29, 7378100), (50, 4279298), (58, 3689050), (89, 2404100), (100, 2139649), (116, 1844525), (145, 1475620), (178, 1202050), (290, 737810), (356, 601025), (445, 480820), (580, 368905), (725, 295124), (829, 258100), (890, 240410), (1450, 147562), (1658, 129050), (1780, 120205), (2225, 96164), (2581, 82900), (2900, 73781), (3316, 64525), (4145, 51620), (4450, 48082), (5162, 41450), (8290, 25810), (8900, 24041), (10324, 20725), (12905, 16580)]