38899620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1097}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 118702584

約数和(自身を除く): 79802964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1097, 1182, 1773, 1970, 2194, 2364, 2955, 3291, 3546, 3940, 4388, 5485, 5910, 6582, 7092, 8865, 9873, 10970, 11820, 13164, 16455, 17730, 19746, 21940, 32910, 35460, 39492, 49365, 65820, 98730, 197460, 216109, 432218, 648327, 864436, 1080545, 1296654, 1944981, 2161090, 2593308, 3241635, 3889962, 4322180, 6483270, 7779924, 9724905, 12966540, 19449810, 38899620]

約数ペア:

[(1, 38899620), (2, 19449810), (3, 12966540), (4, 9724905), (5, 7779924), (6, 6483270), (9, 4322180), (10, 3889962), (12, 3241635), (15, 2593308), (18, 2161090), (20, 1944981), (30, 1296654), (36, 1080545), (45, 864436), (60, 648327), (90, 432218), (180, 216109), (197, 197460), (394, 98730), (591, 65820), (788, 49365), (985, 39492), (1097, 35460), (1182, 32910), (1773, 21940), (1970, 19746), (2194, 17730), (2364, 16455), (2955, 13164), (3291, 11820), (3546, 10970), (3940, 9873), (4388, 8865), (5485, 7092), (5910, 6582)]