222718340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 511334208

約数和(自身を除く): 288615868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 169, 260, 262, 338, 503, 524, 655, 676, 845, 1006, 1310, 1690, 1703, 2012, 2515, 2620, 3380, 3406, 5030, 6539, 6812, 8515, 10060, 13078, 17030, 22139, 26156, 32695, 34060, 44278, 65390, 65893, 85007, 88556, 110695, 130780, 131786, 170014, 221390, 263572, 329465, 340028, 425035, 442780, 658930, 850070, 856609, 1317860, 1700140, 1713218, 3426436, 4283045, 8566090, 11135917, 17132180, 22271834, 44543668, 55679585, 111359170, 222718340]

約数ペア:

[(1, 222718340), (2, 111359170), (4, 55679585), (5, 44543668), (10, 22271834), (13, 17132180), (20, 11135917), (26, 8566090), (52, 4283045), (65, 3426436), (130, 1713218), (131, 1700140), (169, 1317860), (260, 856609), (262, 850070), (338, 658930), (503, 442780), (524, 425035), (655, 340028), (676, 329465), (845, 263572), (1006, 221390), (1310, 170014), (1690, 131786), (1703, 130780), (2012, 110695), (2515, 88556), (2620, 85007), (3380, 65893), (3406, 65390), (5030, 44278), (6539, 34060), (6812, 32695), (8515, 26156), (10060, 22139), (13078, 17030)]