201653620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1381}}^1$

素因数の和:1553

約数の個数: 72

約数和(自身を含む): 496276200

約数和(自身を除く): 294622580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1043, 1381, 1490, 2086, 2762, 2980, 4172, 5215, 5524, 6905, 7301, 9667, 10430, 13810, 14602, 19334, 20860, 27620, 29204, 36505, 38668, 48335, 67669, 73010, 96670, 135338, 146020, 193340, 205769, 270676, 338345, 411538, 676690, 823076, 1028845, 1353380, 1440383, 2057690, 2880766, 4115380, 5761532, 7201915, 10082681, 14403830, 20165362, 28807660, 40330724, 50413405, 100826810, 201653620]

約数ペア:

[(1, 201653620), (2, 100826810), (4, 50413405), (5, 40330724), (7, 28807660), (10, 20165362), (14, 14403830), (20, 10082681), (28, 7201915), (35, 5761532), (49, 4115380), (70, 2880766), (98, 2057690), (140, 1440383), (149, 1353380), (196, 1028845), (245, 823076), (298, 676690), (490, 411538), (596, 338345), (745, 270676), (980, 205769), (1043, 193340), (1381, 146020), (1490, 135338), (2086, 96670), (2762, 73010), (2980, 67669), (4172, 48335), (5215, 38668), (5524, 36505), (6905, 29204), (7301, 27620), (9667, 20860), (10430, 19334), (13810, 14602)]