197680180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 458357760

約数和(自身を除く): 260677580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 97, 124, 155, 173, 190, 194, 310, 346, 380, 388, 485, 589, 620, 692, 865, 970, 1178, 1730, 1843, 1940, 2356, 2945, 3007, 3287, 3460, 3686, 5363, 5890, 6014, 6574, 7372, 9215, 10726, 11780, 12028, 13148, 15035, 16435, 16781, 18430, 21452, 26815, 30070, 32870, 33562, 36860, 53630, 57133, 60140, 65740, 67124, 83905, 101897, 107260, 114266, 167810, 203794, 228532, 285665, 318839, 335620, 407588, 509485, 520211, 571330, 637678, 1018970, 1040422, 1142660, 1275356, 1594195, 2037940, 2080844, 2601055, 3188390, 5202110, 6376780, 9884009, 10404220, 19768018, 39536036, 49420045, 98840090, 197680180]

約数ペア:

[(1, 197680180), (2, 98840090), (4, 49420045), (5, 39536036), (10, 19768018), (19, 10404220), (20, 9884009), (31, 6376780), (38, 5202110), (62, 3188390), (76, 2601055), (95, 2080844), (97, 2037940), (124, 1594195), (155, 1275356), (173, 1142660), (190, 1040422), (194, 1018970), (310, 637678), (346, 571330), (380, 520211), (388, 509485), (485, 407588), (589, 335620), (620, 318839), (692, 285665), (865, 228532), (970, 203794), (1178, 167810), (1730, 114266), (1843, 107260), (1940, 101897), (2356, 83905), (2945, 67124), (3007, 65740), (3287, 60140), (3460, 57133), (3686, 53630), (5363, 36860), (5890, 33562), (6014, 32870), (6574, 30070), (7372, 26815), (9215, 21452), (10726, 18430), (11780, 16781), (12028, 16435), (13148, 15035)]