201002500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 471167928

約数和(自身を除く): 270165428

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 41, 50, 53, 74, 82, 100, 106, 125, 148, 164, 185, 205, 212, 250, 265, 370, 410, 500, 530, 625, 740, 820, 925, 1025, 1060, 1250, 1325, 1517, 1850, 1961, 2050, 2173, 2500, 2650, 3034, 3700, 3922, 4100, 4346, 4625, 5125, 5300, 6068, 6625, 7585, 7844, 8692, 9250, 9805, 10250, 10865, 13250, 15170, 18500, 19610, 20500, 21730, 23125, 25625, 26500, 30340, 33125, 37925, 39220, 43460, 46250, 49025, 51250, 54325, 66250, 75850, 80401, 92500, 98050, 102500, 108650, 132500, 151700, 160802, 189625, 196100, 217300, 245125, 271625, 321604, 379250, 402005, 490250, 543250, 758500, 804010, 948125, 980500, 1086500, 1225625, 1358125, 1608020, 1896250, 2010025, 2451250, 2716250, 3792500, 4020050, 4902500, 5432500, 8040100, 10050125, 20100250, 40200500, 50250625, 100501250, 201002500]

約数ペア:

[(1, 201002500), (2, 100501250), (4, 50250625), (5, 40200500), (10, 20100250), (20, 10050125), (25, 8040100), (37, 5432500), (41, 4902500), (50, 4020050), (53, 3792500), (74, 2716250), (82, 2451250), (100, 2010025), (106, 1896250), (125, 1608020), (148, 1358125), (164, 1225625), (185, 1086500), (205, 980500), (212, 948125), (250, 804010), (265, 758500), (370, 543250), (410, 490250), (500, 402005), (530, 379250), (625, 321604), (740, 271625), (820, 245125), (925, 217300), (1025, 196100), (1060, 189625), (1250, 160802), (1325, 151700), (1517, 132500), (1850, 108650), (1961, 102500), (2050, 98050), (2173, 92500), (2500, 80401), (2650, 75850), (3034, 66250), (3700, 54325), (3922, 51250), (4100, 49025), (4346, 46250), (4625, 43460), (5125, 39220), (5300, 37925), (6068, 33125), (6625, 30340), (7585, 26500), (7844, 25625), (8692, 23125), (9250, 21730), (9805, 20500), (10250, 19610), (10865, 18500), (13250, 15170)]