491378751220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{7669}}^1\times {\mathrm{65381}}^1$

素因数の和:73073

約数の個数: 72

約数和(自身を含む): 1200542976360

約数和(自身を除く): 709164225140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 7669, 15338, 30676, 38345, 53683, 65381, 76690, 107366, 130762, 153380, 214732, 261524, 268415, 326905, 375781, 457667, 536830, 653810, 751562, 915334, 1073660, 1307620, 1503124, 1830668, 1878905, 2288335, 3203669, 3757810, 4576670, 6407338, 7515620, 9153340, 12814676, 16018345, 32036690, 64073380, 501406889, 1002813778, 2005627556, 2507034445, 3509848223, 5014068890, 7019696446, 10028137780, 14039392892, 17549241115, 24568937561, 35098482230, 49137875122, 70196964460, 98275750244, 122844687805, 245689375610, 491378751220]

約数ペア:

[(1, 491378751220), (2, 245689375610), (4, 122844687805), (5, 98275750244), (7, 70196964460), (10, 49137875122), (14, 35098482230), (20, 24568937561), (28, 17549241115), (35, 14039392892), (49, 10028137780), (70, 7019696446), (98, 5014068890), (140, 3509848223), (196, 2507034445), (245, 2005627556), (490, 1002813778), (980, 501406889), (7669, 64073380), (15338, 32036690), (30676, 16018345), (38345, 12814676), (53683, 9153340), (65381, 7515620), (76690, 6407338), (107366, 4576670), (130762, 3757810), (153380, 3203669), (214732, 2288335), (261524, 1878905), (268415, 1830668), (326905, 1503124), (375781, 1307620), (457667, 1073660), (536830, 915334), (653810, 751562)]