987156979180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{797}}^1\times {\mathrm{10477}}^1$

素因数の和:11563

約数の個数: 96

約数和(自身を含む): 2174510572416

約数和(自身を除く): 1187353593236

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 257, 460, 514, 797, 1028, 1285, 1594, 2570, 3188, 3985, 5140, 5911, 7970, 10477, 11822, 15940, 18331, 20954, 23644, 29555, 36662, 41908, 52385, 59110, 73324, 91655, 104770, 118220, 183310, 204829, 209540, 240971, 366620, 409658, 481942, 819316, 963884, 1024145, 1204855, 2048290, 2409710, 2692589, 4096580, 4711067, 4819420, 5385178, 8350169, 9422134, 10770356, 13462945, 16700338, 18844268, 23555335, 26925890, 33400676, 41750845, 47110670, 53851780, 61929547, 83501690, 94221340, 123859094, 167003380, 192053887, 247718188, 309647735, 384107774, 619295470, 768215548, 960269435, 1238590940, 1920538870, 2145993433, 3841077740, 4291986866, 8583973732, 10729967165, 21459934330, 42919868660, 49357848959, 98715697918, 197431395836, 246789244795, 493578489590, 987156979180]

約数ペア:

[(1, 987156979180), (2, 493578489590), (4, 246789244795), (5, 197431395836), (10, 98715697918), (20, 49357848959), (23, 42919868660), (46, 21459934330), (92, 10729967165), (115, 8583973732), (230, 4291986866), (257, 3841077740), (460, 2145993433), (514, 1920538870), (797, 1238590940), (1028, 960269435), (1285, 768215548), (1594, 619295470), (2570, 384107774), (3188, 309647735), (3985, 247718188), (5140, 192053887), (5911, 167003380), (7970, 123859094), (10477, 94221340), (11822, 83501690), (15940, 61929547), (18331, 53851780), (20954, 47110670), (23644, 41750845), (29555, 33400676), (36662, 26925890), (41908, 23555335), (52385, 18844268), (59110, 16700338), (73324, 13462945), (91655, 10770356), (104770, 9422134), (118220, 8350169), (183310, 5385178), (204829, 4819420), (209540, 4711067), (240971, 4096580), (366620, 2692589), (409658, 2409710), (481942, 2048290), (819316, 1204855), (963884, 1024145)]