855442040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 2126113920

約数和(自身を除く): 1270671880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 61, 68, 82, 85, 122, 136, 164, 170, 205, 244, 305, 328, 340, 410, 488, 503, 610, 680, 697, 820, 1006, 1037, 1220, 1394, 1640, 2012, 2074, 2440, 2501, 2515, 2788, 3485, 4024, 4148, 5002, 5030, 5185, 5576, 6970, 8296, 8551, 10004, 10060, 10370, 12505, 13940, 17102, 20008, 20120, 20623, 20740, 25010, 27880, 30683, 34204, 41246, 41480, 42517, 42755, 50020, 61366, 68408, 82492, 85034, 85510, 100040, 103115, 122732, 153415, 164984, 170068, 171020, 206230, 212585, 245464, 306830, 340136, 342040, 350591, 412460, 425170, 521611, 613660, 701182, 824920, 850340, 1043222, 1227320, 1258003, 1402364, 1700680, 1752955, 2086444, 2516006, 2608055, 2804728, 3505910, 4172888, 5032012, 5216110, 6290015, 7011820, 10064024, 10432220, 12580030, 14023640, 20864440, 21386051, 25160060, 42772102, 50320120, 85544204, 106930255, 171088408, 213860510, 427721020, 855442040]

約数ペア:

[(1, 855442040), (2, 427721020), (4, 213860510), (5, 171088408), (8, 106930255), (10, 85544204), (17, 50320120), (20, 42772102), (34, 25160060), (40, 21386051), (41, 20864440), (61, 14023640), (68, 12580030), (82, 10432220), (85, 10064024), (122, 7011820), (136, 6290015), (164, 5216110), (170, 5032012), (205, 4172888), (244, 3505910), (305, 2804728), (328, 2608055), (340, 2516006), (410, 2086444), (488, 1752955), (503, 1700680), (610, 1402364), (680, 1258003), (697, 1227320), (820, 1043222), (1006, 850340), (1037, 824920), (1220, 701182), (1394, 613660), (1640, 521611), (2012, 425170), (2074, 412460), (2440, 350591), (2501, 342040), (2515, 340136), (2788, 306830), (3485, 245464), (4024, 212585), (4148, 206230), (5002, 171020), (5030, 170068), (5185, 164984), (5576, 153415), (6970, 122732), (8296, 103115), (8551, 100040), (10004, 85510), (10060, 85034), (10370, 82492), (12505, 68408), (13940, 61366), (17102, 50020), (20008, 42755), (20120, 42517), (20623, 41480), (20740, 41246), (25010, 34204), (27880, 30683)]